Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1218970 > unrolled thread

[PATCH] staging: slicoss: remove unused variables

Started bySudip Mukherjee <sudipm.mukherjee@gmail.com>
First post2015-09-04 15:30 +0200
Last post2015-09-05 10:10 +0200
Articles 3 — 2 participants

Back to article view | Back to linux.kernel


Contents

  [PATCH] staging: slicoss: remove unused variables Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-09-04 15:30 +0200
    Re: [PATCH] staging: slicoss: remove unused variables David Matlack <dmatlack@google.com> - 2015-09-04 20:20 +0200
      Re: [PATCH] staging: slicoss: remove unused variables Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-09-05 10:10 +0200

#1218970 — [PATCH] staging: slicoss: remove unused variables

FromSudip Mukherjee <sudipm.mukherjee@gmail.com>
Date2015-09-04 15:30 +0200
Subject[PATCH] staging: slicoss: remove unused variables
Message-ID<q4Ze2-3lc-41@gated-at.bofh.it>
These variables were only assigned some values but they were never used.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
 drivers/staging/slicoss/slicoss.c | 27 ++++++---------------------
 1 file changed, 6 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index 8585970..1536ca0 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -199,10 +199,8 @@ static void slic_mcast_set_mask(struct adapter *adapter)
 static void slic_timer_ping(ulong dev)
 {
 	struct adapter *adapter;
-	struct sliccard *card;
 
 	adapter = netdev_priv((struct net_device *)dev);
-	card = adapter->card;
 
 	adapter->pingtimer.expires = jiffies + (PING_TIMER_INTERVAL * HZ);
 	add_timer(&adapter->pingtimer);
@@ -1719,7 +1717,6 @@ static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb)
  */
 static void slic_link_event_handler(struct adapter *adapter)
 {
-	int status;
 	struct slic_shmem *pshmem;
 
 	if (adapter->state != ADAPT_UP) {
@@ -1730,15 +1727,13 @@ static void slic_link_event_handler(struct adapter *adapter)
 	pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem;
 
 #if BITS_PER_LONG == 64
-	status = slic_upr_request(adapter,
-				  SLIC_UPR_RLSR,
-				  SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
-				  SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
-				  0, 0);
+	slic_upr_request(adapter, SLIC_UPR_RLSR,
+			 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
+			 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), 0, 0);
 #else
-	status = slic_upr_request(adapter, SLIC_UPR_RLSR,
-		(u32) &pshmem->linkstatus,	/* no 4GB wrap guaranteed */
-				  0, 0, 0);
+	slic_upr_request(adapter, SLIC_UPR_RLSR,
+			 (u32)&pshmem->linkstatus, /* no 4GB wrap guaranteed */
+			 0, 0, 0);
 #endif
 }
 
@@ -2078,8 +2073,6 @@ static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
 			adapter->error_interrupts++;
 			if (isr & ISR_RMISS) {
 				int count;
-				int pre_count;
-				int errors;
 
 				struct slic_rcvqueue *rcvq =
 					&adapter->rcvqueue;
@@ -2088,8 +2081,6 @@ static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
 
 				if (!rcvq->errors)
 					rcv_count = rcvq->count;
-				pre_count = rcvq->count;
-				errors = rcvq->errors;
 
 				while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
 					count = slic_rcvqueue_fill(adapter);
@@ -2650,9 +2641,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
 	ushort calc_chksum;
 	struct slic_config_mac *pmac;
 	unsigned char fruformat;
-	unsigned char oemfruformat;
 	struct atk_fru *patkfru;
-	union oemfru *poemfru;
 	unsigned long flags;
 
 	/* Reset everything except PCI configuration space */
@@ -2742,8 +2731,6 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
 			pmac = pOeeprom->MacInfo;
 			fruformat = pOeeprom->FruFormat;
 			patkfru = &pOeeprom->AtkFru;
-			oemfruformat = pOeeprom->OemFruFormat;
-			poemfru = &pOeeprom->OemFru;
 			macaddrs = 2;
 			/* Minor kludge for Oasis card
 			     get 2 MAC addresses from the
@@ -2757,8 +2744,6 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
 			pmac = peeprom->u2.mac.MacInfo;
 			fruformat = peeprom->FruFormat;
 			patkfru = &peeprom->AtkFru;
-			oemfruformat = peeprom->OemFruFormat;
-			poemfru = &peeprom->OemFru;
 			break;
 		}
 
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[toc] | [next] | [standalone]


#1219232

FromDavid Matlack <dmatlack@google.com>
Date2015-09-04 20:20 +0200
Message-ID<q53KG-1p6-7@gated-at.bofh.it>
In reply to#1218970
On Fri, Sep 4, 2015 at 6:23 AM, Sudip Mukherjee
<sudipm.mukherjee@gmail.com> wrote:
> These variables were only assigned some values but they were never used.
>
> Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
> ---
>  drivers/staging/slicoss/slicoss.c | 27 ++++++---------------------
>  1 file changed, 6 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
> index 8585970..1536ca0 100644
> --- a/drivers/staging/slicoss/slicoss.c
> +++ b/drivers/staging/slicoss/slicoss.c
> @@ -199,10 +199,8 @@ static void slic_mcast_set_mask(struct adapter *adapter)
>  static void slic_timer_ping(ulong dev)
>  {
>         struct adapter *adapter;
> -       struct sliccard *card;
>
>         adapter = netdev_priv((struct net_device *)dev);
> -       card = adapter->card;
>
>         adapter->pingtimer.expires = jiffies + (PING_TIMER_INTERVAL * HZ);
>         add_timer(&adapter->pingtimer);
> @@ -1719,7 +1717,6 @@ static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb)
>   */
>  static void slic_link_event_handler(struct adapter *adapter)
>  {
> -       int status;
>         struct slic_shmem *pshmem;
>
>         if (adapter->state != ADAPT_UP) {
> @@ -1730,15 +1727,13 @@ static void slic_link_event_handler(struct adapter *adapter)
>         pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem;
>
>  #if BITS_PER_LONG == 64
> -       status = slic_upr_request(adapter,
> -                                 SLIC_UPR_RLSR,
> -                                 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
> -                                 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
> -                                 0, 0);
> +       slic_upr_request(adapter, SLIC_UPR_RLSR,
> +                        SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
> +                        SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), 0, 0);
>  #else
> -       status = slic_upr_request(adapter, SLIC_UPR_RLSR,
> -               (u32) &pshmem->linkstatus,      /* no 4GB wrap guaranteed */
> -                                 0, 0, 0);
> +       slic_upr_request(adapter, SLIC_UPR_RLSR,
> +                        (u32)&pshmem->linkstatus, /* no 4GB wrap guaranteed */
> +                        0, 0, 0);

Is status safe to ignore?

>  #endif
>  }
>
> @@ -2078,8 +2073,6 @@ static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
>                         adapter->error_interrupts++;
>                         if (isr & ISR_RMISS) {
>                                 int count;
> -                               int pre_count;
> -                               int errors;
>
>                                 struct slic_rcvqueue *rcvq =
>                                         &adapter->rcvqueue;
> @@ -2088,8 +2081,6 @@ static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
>
>                                 if (!rcvq->errors)
>                                         rcv_count = rcvq->count;
> -                               pre_count = rcvq->count;
> -                               errors = rcvq->errors;
>
>                                 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
>                                         count = slic_rcvqueue_fill(adapter);
> @@ -2650,9 +2641,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
>         ushort calc_chksum;
>         struct slic_config_mac *pmac;
>         unsigned char fruformat;
> -       unsigned char oemfruformat;
>         struct atk_fru *patkfru;
> -       union oemfru *poemfru;
>         unsigned long flags;
>
>         /* Reset everything except PCI configuration space */
> @@ -2742,8 +2731,6 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
>                         pmac = pOeeprom->MacInfo;
>                         fruformat = pOeeprom->FruFormat;
>                         patkfru = &pOeeprom->AtkFru;
> -                       oemfruformat = pOeeprom->OemFruFormat;
> -                       poemfru = &pOeeprom->OemFru;
>                         macaddrs = 2;
>                         /* Minor kludge for Oasis card
>                              get 2 MAC addresses from the
> @@ -2757,8 +2744,6 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
>                         pmac = peeprom->u2.mac.MacInfo;
>                         fruformat = peeprom->FruFormat;
>                         patkfru = &peeprom->AtkFru;
> -                       oemfruformat = peeprom->OemFruFormat;
> -                       poemfru = &peeprom->OemFru;
>                         break;
>                 }
>
> --
> 1.9.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[toc] | [prev] | [next] | [standalone]


#1219456

FromSudip Mukherjee <sudipm.mukherjee@gmail.com>
Date2015-09-05 10:10 +0200
Message-ID<q5gHT-339-1@gated-at.bofh.it>
In reply to#1219232
On Fri, Sep 04, 2015 at 11:13:00AM -0700, David Matlack wrote:
> On Fri, Sep 4, 2015 at 6:23 AM, Sudip Mukherjee
> <sudipm.mukherjee@gmail.com> wrote:
> > These variables were only assigned some values but they were never used.
> >
> > Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
> > ---
<snip>
> > -       status = slic_upr_request(adapter, SLIC_UPR_RLSR,
> > -               (u32) &pshmem->linkstatus,      /* no 4GB wrap guaranteed */
> > -                                 0, 0, 0);
> > +       slic_upr_request(adapter, SLIC_UPR_RLSR,
> > +                        (u32)&pshmem->linkstatus, /* no 4GB wrap guaranteed */
> > +                        0, 0, 0);
> 
> Is status safe to ignore?
status can have two value either -ENOMEM or STATUS_PEMDING.
Ideally we should have handled -ENOMEM.

regards
sudip
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[toc] | [prev] | [standalone]


Back to top | Article view | linux.kernel


csiph-web