Groups > linux.kernel > #1242345 > unrolled thread

[PATCH 0/9] net: small improvement

Started by	Yaowei Bai <bywxiaobai@163.com>
First post	2015-10-08 15:40 +0200
Last post	2015-10-09 16:40 +0200
Articles	14 — 3 participants

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  [PATCH 0/9] net: small improvement Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:40 +0200
    [PATCH 5/9] net/dccp: dccp_list_has_service can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:40 +0200
    [PATCH 3/9] net/nfnetlink: lockdep_nfnl_is_held can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:40 +0200
    [PATCH 7/9] net/inetdevice: inet_ifa_match can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:40 +0200
    [PATCH 1/9] net/netlink: lockdep_genl_is_held can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:40 +0200
    [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:40 +0200
      Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean Marc Kleine-Budde <mkl@pengutronix.de> - 2015-10-09 12:20 +0200
        Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-09 16:30 +0200
          Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean Marc Kleine-Budde <mkl@pengutronix.de> - 2015-10-12 11:10 +0200
    [PATCH 2/9] net/ieee80211: ieee80211_is_* can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:40 +0200
    [PATCH 6/9] net/dccp: dccp_bad_service_code can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:50 +0200
    [PATCH 8/9] net/inetdevice: bad_mask can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:50 +0200
    [PATCH 9/9] net/core: lockdep_rtnl_is_held can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-10-08 15:50 +0200
    Re: [PATCH 0/9] net: small improvement David Miller <davem@davemloft.net> - 2015-10-09 16:40 +0200

#1242345 — [PATCH 0/9] net: small improvement

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:40 +0200
Subject	[PATCH 0/9] net: small improvement
Message-ID	<qhjAl-4X0-1@gated-at.bofh.it>

This patchset makes several functions in net return bool to improve
readability and/or simplicity because these functions only use one
or zero as their return value.

No functional changes.

Yaowei Bai (9):
  net/netlink: lockdep_genl_is_held can be boolean
  net/ieee80211: ieee80211_is_* can be boolean
  net/nfnetlink: lockdep_nfnl_is_held can be boolean
  net/can: can_dropped_invalid_skb can be boolean
  net/dccp: dccp_list_has_service can be boolean
  net/dccp: dccp_bad_service_code can be boolean
  net/inetdevice: inet_ifa_match can be boolean
  net/inetdevice: bad_mask can be boolean
  net/core: lockdep_rtnl_is_held can be boolean

 include/linux/can/dev.h             |  6 +--
 include/linux/dccp.h                |  6 +--
 include/linux/genetlink.h           |  2 +-
 include/linux/ieee80211.h           | 76 ++++++++++++++++++-------------------
 include/linux/inetdevice.h          | 10 ++---
 include/linux/netfilter/nfnetlink.h |  6 +--
 include/linux/rtnetlink.h           |  6 +--
 net/core/rtnetlink.c                |  2 +-
 net/dccp/dccp.h                     |  4 +-
 net/netfilter/nfnetlink.c           |  2 +-
 net/netlink/genetlink.c             |  2 +-
 11 files changed, 61 insertions(+), 61 deletions(-)

-- 
1.9.1


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#1242347 — [PATCH 5/9] net/dccp: dccp_list_has_service can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:40 +0200
Subject	[PATCH 5/9] net/dccp: dccp_list_has_service can be boolean
Message-ID	<qhjAm-4X0-9@gated-at.bofh.it>
In reply to	#1242345

This patch makes dccp_list_has_service return bool due to this
particular function only using either one or zero as its return
value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 include/linux/dccp.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 2210254..61d042b 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -202,16 +202,16 @@ struct dccp_service_list {
 #define DCCP_SERVICE_INVALID_VALUE htonl((__u32)-1)
 #define DCCP_SERVICE_CODE_IS_ABSENT		0
 
-static inline int dccp_list_has_service(const struct dccp_service_list *sl,
+static inline bool dccp_list_has_service(const struct dccp_service_list *sl,
 					const __be32 service)
 {
 	if (likely(sl != NULL)) {
 		u32 i = sl->dccpsl_nr;
 		while (i--)
 			if (sl->dccpsl_list[i] == service)
-				return 1;
+				return true;
 	}
-	return 0;
+	return false;
 }
 
 struct dccp_ackvec;
-- 
1.9.1


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#1242348 — [PATCH 3/9] net/nfnetlink: lockdep_nfnl_is_held can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:40 +0200
Subject	[PATCH 3/9] net/nfnetlink: lockdep_nfnl_is_held can be boolean
Message-ID	<qhjAm-4X0-11@gated-at.bofh.it>
In reply to	#1242345

This patch makes lockdep_nfnl_is_held return bool to improve
readability due to this particular function only using either
one or zero as its return value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 include/linux/netfilter/nfnetlink.h | 6 +++---
 net/netfilter/nfnetlink.c           | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index e955d47..249d1bb 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -45,11 +45,11 @@ int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid,
 void nfnl_lock(__u8 subsys_id);
 void nfnl_unlock(__u8 subsys_id);
 #ifdef CONFIG_PROVE_LOCKING
-int lockdep_nfnl_is_held(__u8 subsys_id);
+bool lockdep_nfnl_is_held(__u8 subsys_id);
 #else
-static inline int lockdep_nfnl_is_held(__u8 subsys_id)
+static inline bool lockdep_nfnl_is_held(__u8 subsys_id)
 {
-	return 1;
+	return true;
 }
 #endif /* CONFIG_PROVE_LOCKING */
 
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 70277b1..f1d9e88 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -64,7 +64,7 @@ void nfnl_unlock(__u8 subsys_id)
 EXPORT_SYMBOL_GPL(nfnl_unlock);
 
 #ifdef CONFIG_PROVE_LOCKING
-int lockdep_nfnl_is_held(u8 subsys_id)
+bool lockdep_nfnl_is_held(u8 subsys_id)
 {
 	return lockdep_is_held(&table[subsys_id].mutex);
 }
-- 
1.9.1


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#1242351 — [PATCH 7/9] net/inetdevice: inet_ifa_match can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:40 +0200
Subject	[PATCH 7/9] net/inetdevice: inet_ifa_match can be boolean
Message-ID	<qhjAm-4X0-21@gated-at.bofh.it>
In reply to	#1242345

This patch makes inet_ifa_match return bool due to this
particular function only using either one or zero as its return
value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 include/linux/inetdevice.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index a4328ce..3b0999e 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -171,7 +171,7 @@ __be32 inet_confirm_addr(struct net *net, struct in_device *in_dev, __be32 dst,
 			 __be32 local, int scope);
 struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
 				    __be32 mask);
-static __inline__ int inet_ifa_match(__be32 addr, struct in_ifaddr *ifa)
+static __inline__ bool inet_ifa_match(__be32 addr, struct in_ifaddr *ifa)
 {
 	return !((addr^ifa->ifa_address)&ifa->ifa_mask);
 }
-- 
1.9.1


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#1242352 — [PATCH 1/9] net/netlink: lockdep_genl_is_held can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:40 +0200
Subject	[PATCH 1/9] net/netlink: lockdep_genl_is_held can be boolean
Message-ID	<qhjAm-4X0-17@gated-at.bofh.it>
In reply to	#1242345

This patch makes lockdep_genl_is_held return bool to improve
readability due to this particular function only using either
one or zero as its return value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 include/linux/genetlink.h | 2 +-
 net/netlink/genetlink.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/genetlink.h b/include/linux/genetlink.h
index 09460d6..a4c61cb 100644
--- a/include/linux/genetlink.h
+++ b/include/linux/genetlink.h
@@ -8,7 +8,7 @@
 extern void genl_lock(void);
 extern void genl_unlock(void);
 #ifdef CONFIG_LOCKDEP
-extern int lockdep_genl_is_held(void);
+extern bool lockdep_genl_is_held(void);
 #endif
 
 /* for synchronisation between af_netlink and genetlink */
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 2ed5f96..d5d713d 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -39,7 +39,7 @@ void genl_unlock(void)
 EXPORT_SYMBOL(genl_unlock);
 
 #ifdef CONFIG_LOCKDEP
-int lockdep_genl_is_held(void)
+bool lockdep_genl_is_held(void)
 {
 	return lockdep_is_held(&genl_mutex);
 }
-- 
1.9.1


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#1242355 — [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:40 +0200
Subject	[PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean
Message-ID	<qhjAn-4X0-31@gated-at.bofh.it>
In reply to	#1242345

This patch makes can_dropped_invalid_skb return bool due to this
particular function only using either one or zero as its return
value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 include/linux/can/dev.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index c3a9c8f..c92d6ea 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -77,7 +77,7 @@ struct can_priv {
 #define get_canfd_dlc(i)	(min_t(__u8, (i), CANFD_MAX_DLC))
 
 /* Drop a given socketbuffer if it does not contain a valid CAN frame. */
-static inline int can_dropped_invalid_skb(struct net_device *dev,
+static inline bool can_dropped_invalid_skb(struct net_device *dev,
 					  struct sk_buff *skb)
 {
 	const struct canfd_frame *cfd = (struct canfd_frame *)skb->data;
@@ -93,12 +93,12 @@ static inline int can_dropped_invalid_skb(struct net_device *dev,
 	} else
 		goto inval_skb;
 
-	return 0;
+	return false;
 
 inval_skb:
 	kfree_skb(skb);
 	dev->stats.tx_dropped++;
-	return 1;
+	return true;
 }
 
 static inline bool can_is_canfd_skb(const struct sk_buff *skb)
-- 
1.9.1


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#1243212 — Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean

From	Marc Kleine-Budde <mkl@pengutronix.de>
Date	2015-10-09 12:20 +0200
Subject	Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean
Message-ID	<qhCWm-7Ag-1@gated-at.bofh.it>
In reply to	#1242355

[Multipart message — attachments visible in raw view] — view raw

On 10/08/2015 03:28 PM, Yaowei Bai wrote:
> This patch makes can_dropped_invalid_skb return bool due to this
> particular function only using either one or zero as its return
> value.
> 
> No functional change.
> 
> Signed-off-by: Yaowei Bai <bywxiaobai@163.com>

Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>

Yaowei, feel free to send the CAN patch as part of your series directly
to David.

Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |

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#1243420 — Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-09 16:30 +0200
Subject	Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean
Message-ID	<qhGQj-4IM-27@gated-at.bofh.it>
In reply to	#1243212

On Fri, Oct 09, 2015 at 12:14:31PM +0200, Marc Kleine-Budde wrote:
> On 10/08/2015 03:28 PM, Yaowei Bai wrote:
> > This patch makes can_dropped_invalid_skb return bool due to this
> > particular function only using either one or zero as its return
> > value.
> > 
> > No functional change.
> > 
> > Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
> 
> Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>

Thanks.

> 
> Yaowei, feel free to send the CAN patch as part of your series directly
> to David.

OK, i'll do that and sorry for disturbing you. :)

Thanks
Bai

> 
> Marc
> 
> -- 
> Pengutronix e.K.                  | Marc Kleine-Budde           |
> Industrial Linux Solutions        | Phone: +49-231-2826-924     |
> Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
> Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |
> 



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#1244510 — Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean

From	Marc Kleine-Budde <mkl@pengutronix.de>
Date	2015-10-12 11:10 +0200
Subject	Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean
Message-ID	<qiHhh-2LN-49@gated-at.bofh.it>
In reply to	#1243420

[Multipart message — attachments visible in raw view] — view raw

On 10/09/2015 04:25 PM, Yaowei Bai wrote:
>> Yaowei, feel free to send the CAN patch as part of your series directly
>> to David.
> 
> OK, i'll do that and sorry for disturbing you. :)

Putting me on Cc was 100% correct, but IMHO no need to split up the
series when David can apply it in one go.

regards,
Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |

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#1242359 — [PATCH 2/9] net/ieee80211: ieee80211_is_* can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:40 +0200
Subject	[PATCH 2/9] net/ieee80211: ieee80211_is_* can be boolean
Message-ID	<qhjAn-4X0-33@gated-at.bofh.it>
In reply to	#1242345

This patch makes ieee80211_is_* return bool to improve
readability due to these particular functions only using either
one or zero as their return value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 include/linux/ieee80211.h | 76 +++++++++++++++++++++++------------------------
 1 file changed, 38 insertions(+), 38 deletions(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index cfa906f..0b7048d 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -121,7 +121,7 @@
 #define IEEE80211_MAX_SN		IEEE80211_SN_MASK
 #define IEEE80211_SN_MODULO		(IEEE80211_MAX_SN + 1)
 
-static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
+static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 {
 	return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 }
@@ -250,7 +250,7 @@ struct ieee80211_qos_hdr {
  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_has_tods(__le16 fc)
+static inline bool ieee80211_has_tods(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 }
@@ -259,7 +259,7 @@ static inline int ieee80211_has_tods(__le16 fc)
  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_has_fromds(__le16 fc)
+static inline bool ieee80211_has_fromds(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 }
@@ -268,7 +268,7 @@ static inline int ieee80211_has_fromds(__le16 fc)
  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_has_a4(__le16 fc)
+static inline bool ieee80211_has_a4(__le16 fc)
 {
 	__le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 	return (fc & tmp) == tmp;
@@ -278,7 +278,7 @@ static inline int ieee80211_has_a4(__le16 fc)
  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_has_morefrags(__le16 fc)
+static inline bool ieee80211_has_morefrags(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 }
@@ -287,7 +287,7 @@ static inline int ieee80211_has_morefrags(__le16 fc)
  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_has_retry(__le16 fc)
+static inline bool ieee80211_has_retry(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 }
@@ -296,7 +296,7 @@ static inline int ieee80211_has_retry(__le16 fc)
  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_has_pm(__le16 fc)
+static inline bool ieee80211_has_pm(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 }
@@ -305,7 +305,7 @@ static inline int ieee80211_has_pm(__le16 fc)
  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_has_moredata(__le16 fc)
+static inline bool ieee80211_has_moredata(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 }
@@ -314,7 +314,7 @@ static inline int ieee80211_has_moredata(__le16 fc)
  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_has_protected(__le16 fc)
+static inline bool ieee80211_has_protected(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 }
@@ -323,7 +323,7 @@ static inline int ieee80211_has_protected(__le16 fc)
  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_has_order(__le16 fc)
+static inline bool ieee80211_has_order(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 }
@@ -332,7 +332,7 @@ static inline int ieee80211_has_order(__le16 fc)
  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_mgmt(__le16 fc)
+static inline bool ieee80211_is_mgmt(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT);
@@ -342,7 +342,7 @@ static inline int ieee80211_is_mgmt(__le16 fc)
  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_ctl(__le16 fc)
+static inline bool ieee80211_is_ctl(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_CTL);
@@ -352,7 +352,7 @@ static inline int ieee80211_is_ctl(__le16 fc)
  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_data(__le16 fc)
+static inline bool ieee80211_is_data(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_DATA);
@@ -362,7 +362,7 @@ static inline int ieee80211_is_data(__le16 fc)
  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_data_qos(__le16 fc)
+static inline bool ieee80211_is_data_qos(__le16 fc)
 {
 	/*
 	 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
@@ -376,7 +376,7 @@ static inline int ieee80211_is_data_qos(__le16 fc)
  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_data_present(__le16 fc)
+static inline bool ieee80211_is_data_present(__le16 fc)
 {
 	/*
 	 * mask with 0x40 and test that that bit is clear to only return true
@@ -390,7 +390,7 @@ static inline int ieee80211_is_data_present(__le16 fc)
  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_assoc_req(__le16 fc)
+static inline bool ieee80211_is_assoc_req(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
@@ -400,7 +400,7 @@ static inline int ieee80211_is_assoc_req(__le16 fc)
  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_assoc_resp(__le16 fc)
+static inline bool ieee80211_is_assoc_resp(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
@@ -410,7 +410,7 @@ static inline int ieee80211_is_assoc_resp(__le16 fc)
  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_reassoc_req(__le16 fc)
+static inline bool ieee80211_is_reassoc_req(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
@@ -420,7 +420,7 @@ static inline int ieee80211_is_reassoc_req(__le16 fc)
  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_reassoc_resp(__le16 fc)
+static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
@@ -430,7 +430,7 @@ static inline int ieee80211_is_reassoc_resp(__le16 fc)
  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_probe_req(__le16 fc)
+static inline bool ieee80211_is_probe_req(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
@@ -440,7 +440,7 @@ static inline int ieee80211_is_probe_req(__le16 fc)
  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_probe_resp(__le16 fc)
+static inline bool ieee80211_is_probe_resp(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
@@ -450,7 +450,7 @@ static inline int ieee80211_is_probe_resp(__le16 fc)
  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_beacon(__le16 fc)
+static inline bool ieee80211_is_beacon(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
@@ -460,7 +460,7 @@ static inline int ieee80211_is_beacon(__le16 fc)
  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_atim(__le16 fc)
+static inline bool ieee80211_is_atim(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
@@ -470,7 +470,7 @@ static inline int ieee80211_is_atim(__le16 fc)
  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_disassoc(__le16 fc)
+static inline bool ieee80211_is_disassoc(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
@@ -480,7 +480,7 @@ static inline int ieee80211_is_disassoc(__le16 fc)
  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_auth(__le16 fc)
+static inline bool ieee80211_is_auth(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
@@ -490,7 +490,7 @@ static inline int ieee80211_is_auth(__le16 fc)
  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_deauth(__le16 fc)
+static inline bool ieee80211_is_deauth(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
@@ -500,7 +500,7 @@ static inline int ieee80211_is_deauth(__le16 fc)
  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_action(__le16 fc)
+static inline bool ieee80211_is_action(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
@@ -510,7 +510,7 @@ static inline int ieee80211_is_action(__le16 fc)
  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_back_req(__le16 fc)
+static inline bool ieee80211_is_back_req(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
@@ -520,7 +520,7 @@ static inline int ieee80211_is_back_req(__le16 fc)
  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_back(__le16 fc)
+static inline bool ieee80211_is_back(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
@@ -530,7 +530,7 @@ static inline int ieee80211_is_back(__le16 fc)
  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_pspoll(__le16 fc)
+static inline bool ieee80211_is_pspoll(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
@@ -540,7 +540,7 @@ static inline int ieee80211_is_pspoll(__le16 fc)
  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_rts(__le16 fc)
+static inline bool ieee80211_is_rts(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
@@ -550,7 +550,7 @@ static inline int ieee80211_is_rts(__le16 fc)
  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_cts(__le16 fc)
+static inline bool ieee80211_is_cts(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
@@ -560,7 +560,7 @@ static inline int ieee80211_is_cts(__le16 fc)
  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_ack(__le16 fc)
+static inline bool ieee80211_is_ack(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
@@ -570,7 +570,7 @@ static inline int ieee80211_is_ack(__le16 fc)
  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_cfend(__le16 fc)
+static inline bool ieee80211_is_cfend(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
@@ -580,7 +580,7 @@ static inline int ieee80211_is_cfend(__le16 fc)
  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_cfendack(__le16 fc)
+static inline bool ieee80211_is_cfendack(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
@@ -590,7 +590,7 @@ static inline int ieee80211_is_cfendack(__le16 fc)
  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_nullfunc(__le16 fc)
+static inline bool ieee80211_is_nullfunc(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
@@ -600,7 +600,7 @@ static inline int ieee80211_is_nullfunc(__le16 fc)
  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
  * @fc: frame control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_qos_nullfunc(__le16 fc)
+static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 {
 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
@@ -624,7 +624,7 @@ static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
  */
-static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
+static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 {
 	return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 }
-- 
1.9.1


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#1242367 — [PATCH 6/9] net/dccp: dccp_bad_service_code can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:50 +0200
Subject	[PATCH 6/9] net/dccp: dccp_bad_service_code can be boolean
Message-ID	<qhjK2-58q-7@gated-at.bofh.it>
In reply to	#1242345

This patch makes dccp_bad_service_code return bool due to these
particular functions only using either one or zero as their return
value.

dccp_list_has_service is also been made return bool in this patchset.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 net/dccp/dccp.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index bebc735..a250825 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -325,13 +325,13 @@ void dccp_send_close(struct sock *sk, const int active);
 int dccp_invalid_packet(struct sk_buff *skb);
 u32 dccp_sample_rtt(struct sock *sk, long delta);
 
-static inline int dccp_bad_service_code(const struct sock *sk,
+static inline bool dccp_bad_service_code(const struct sock *sk,
 					const __be32 service)
 {
 	const struct dccp_sock *dp = dccp_sk(sk);
 
 	if (dp->dccps_service == service)
-		return 0;
+		return false;
 	return !dccp_list_has_service(dp->dccps_service_list, service);
 }
 
-- 
1.9.1


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#1242368 — [PATCH 8/9] net/inetdevice: bad_mask can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:50 +0200
Subject	[PATCH 8/9] net/inetdevice: bad_mask can be boolean
Message-ID	<qhjK2-58q-3@gated-at.bofh.it>
In reply to	#1242345

This patch makes bad_mask return bool due to this particular function
only using either one or zero as its return value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 include/linux/inetdevice.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 3b0999e..ee971f3 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -180,15 +180,15 @@ static __inline__ bool inet_ifa_match(__be32 addr, struct in_ifaddr *ifa)
  *	Check if a mask is acceptable.
  */
  
-static __inline__ int bad_mask(__be32 mask, __be32 addr)
+static __inline__ bool bad_mask(__be32 mask, __be32 addr)
 {
 	__u32 hmask;
 	if (addr & (mask = ~mask))
-		return 1;
+		return true;
 	hmask = ntohl(mask);
 	if (hmask & (hmask+1))
-		return 1;
-	return 0;
+		return true;
+	return false;
 }
 
 #define for_primary_ifa(in_dev)	{ struct in_ifaddr *ifa; \
-- 
1.9.1


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#1242374 — [PATCH 9/9] net/core: lockdep_rtnl_is_held can be boolean

From	Yaowei Bai <bywxiaobai@163.com>
Date	2015-10-08 15:50 +0200
Subject	[PATCH 9/9] net/core: lockdep_rtnl_is_held can be boolean
Message-ID	<qhjK3-58q-27@gated-at.bofh.it>
In reply to	#1242345

This patch makes lockdep_rtnl_is_held return bool due to this
particular function only using either one or zero as its return
value.

In another patch lockdep_is_held is also made return bool.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 include/linux/rtnetlink.h | 6 +++---
 net/core/rtnetlink.c      | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 39adaa9..4be5048 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -33,11 +33,11 @@ extern wait_queue_head_t netdev_unregistering_wq;
 extern struct mutex net_mutex;
 
 #ifdef CONFIG_PROVE_LOCKING
-extern int lockdep_rtnl_is_held(void);
+extern bool lockdep_rtnl_is_held(void);
 #else
-static inline int lockdep_rtnl_is_held(void)
+static inline bool lockdep_rtnl_is_held(void)
 {
-	return 1;
+	return true;
 }
 #endif /* #ifdef CONFIG_PROVE_LOCKING */
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 0ec4840..435da82 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -96,7 +96,7 @@ int rtnl_is_locked(void)
 EXPORT_SYMBOL(rtnl_is_locked);
 
 #ifdef CONFIG_PROVE_LOCKING
-int lockdep_rtnl_is_held(void)
+bool lockdep_rtnl_is_held(void)
 {
 	return lockdep_is_held(&rtnl_mutex);
 }
-- 
1.9.1


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#1243440

From	David Miller <davem@davemloft.net>
Date	2015-10-09 16:40 +0200
Message-ID	<qhGZZ-4Tm-43@gated-at.bofh.it>
In reply to	#1242345

From: Yaowei Bai <bywxiaobai@163.com>
Date: Thu,  8 Oct 2015 21:28:53 +0800

> This patchset makes several functions in net return bool to improve
> readability and/or simplicity because these functions only use one
> or zero as their return value.
> 
> No functional changes.

Series applied, thank you.
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csiph-web

[PATCH 0/9] net: small improvement

Contents

#1242345 — [PATCH 0/9] net: small improvement

#1242347 — [PATCH 5/9] net/dccp: dccp_list_has_service can be boolean

#1242348 — [PATCH 3/9] net/nfnetlink: lockdep_nfnl_is_held can be boolean

#1242351 — [PATCH 7/9] net/inetdevice: inet_ifa_match can be boolean

#1242352 — [PATCH 1/9] net/netlink: lockdep_genl_is_held can be boolean

#1242355 — [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean

#1243212 — Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean

#1243420 — Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean

#1244510 — Re: [PATCH 4/9] net/can: can_dropped_invalid_skb can be boolean

#1242359 — [PATCH 2/9] net/ieee80211: ieee80211_is_* can be boolean

#1242367 — [PATCH 6/9] net/dccp: dccp_bad_service_code can be boolean

#1242368 — [PATCH 8/9] net/inetdevice: bad_mask can be boolean

#1242374 — [PATCH 9/9] net/core: lockdep_rtnl_is_held can be boolean

#1243440