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Groups > linux.kernel > #1646539 > unrolled thread

[PATCH 0/2] ieee802154: ca8210: Adjustments for two function implementations

Started bySF Markus Elfring <elfring@users.sourceforge.net>
First post2017-05-22 08:20 +0200
Last post2017-05-22 10:30 +0200
Articles 4 — 2 participants

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  [PATCH 0/2] ieee802154: ca8210: Adjustments for two function  implementations SF Markus Elfring <elfring@users.sourceforge.net> - 2017-05-22 08:20 +0200
    [PATCH 2/2] ieee802154: ca8210: Delete an error message for a failed  memory allocation in ca8210_skb_rx() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-05-22 08:20 +0200
    [PATCH 1/2] ieee802154: ca8210: Delete an error message for a failed  memory allocation in ca8210_probe() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-05-22 08:20 +0200
    Re: [PATCH 0/2] ieee802154: ca8210: Adjustments for two function  implementations Marcel Holtmann <marcel@holtmann.org> - 2017-05-22 10:30 +0200

#1646539 — [PATCH 0/2] ieee802154: ca8210: Adjustments for two function implementations

FromSF Markus Elfring <elfring@users.sourceforge.net>
Date2017-05-22 08:20 +0200
Subject[PATCH 0/2] ieee802154: ca8210: Adjustments for two function implementations
Message-ID<tJORb-1PK-3@gated-at.bofh.it>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 22 May 2017 08:08:04 +0200

Two update suggestions were taken into account
from static source code analysis.

Markus Elfring (2):
  Delete an error message for a failed memory allocation in ca8210_probe()
  Delete an error message for a failed memory allocation in ca8210_skb_rx()

 drivers/net/ieee802154/ca8210.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

-- 
2.13.0

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#1646541 — [PATCH 2/2] ieee802154: ca8210: Delete an error message for a failed memory allocation in ca8210_skb_rx()

FromSF Markus Elfring <elfring@users.sourceforge.net>
Date2017-05-22 08:20 +0200
Subject[PATCH 2/2] ieee802154: ca8210: Delete an error message for a failed memory allocation in ca8210_skb_rx()
Message-ID<tJORb-1PK-5@gated-at.bofh.it>
In reply to#1646539
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 22 May 2017 08:03:17 +0200

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/net/ieee802154/ca8210.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 25ed11bb5ed3..f6df75e80a60 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -1808,10 +1808,9 @@ static int ca8210_skb_rx(
 
 	/* Allocate mtu size buffer for every rx packet */
 	skb = dev_alloc_skb(IEEE802154_MTU + sizeof(hdr));
-	if (!skb) {
-		dev_crit(&priv->spi->dev, "dev_alloc_skb failed\n");
+	if (!skb)
 		return -ENOMEM;
-	}
+
 	skb_reserve(skb, sizeof(hdr));
 
 	msdulen = data_ind[22]; /* msdu_length */
-- 
2.13.0

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#1646544 — [PATCH 1/2] ieee802154: ca8210: Delete an error message for a failed memory allocation in ca8210_probe()

FromSF Markus Elfring <elfring@users.sourceforge.net>
Date2017-05-22 08:20 +0200
Subject[PATCH 1/2] ieee802154: ca8210: Delete an error message for a failed memory allocation in ca8210_probe()
Message-ID<tJORb-1PK-13@gated-at.bofh.it>
In reply to#1646539
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 22 May 2017 07:32:46 +0200

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/net/ieee802154/ca8210.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 25fd3b04b3c0..25ed11bb5ed3 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -3143,10 +3143,6 @@ static int ca8210_probe(struct spi_device *spi_device)
 
 	pdata = kmalloc(sizeof(*pdata), GFP_KERNEL);
 	if (!pdata) {
-		dev_crit(
-			&spi_device->dev,
-			"Could not allocate platform data\n"
-		);
 		ret = -ENOMEM;
 		goto error;
 	}
-- 
2.13.0

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#1646600

FromMarcel Holtmann <marcel@holtmann.org>
Date2017-05-22 10:30 +0200
Message-ID<tJQSZ-34Q-5@gated-at.bofh.it>
In reply to#1646539
Hi Markus,

> Two update suggestions were taken into account
> from static source code analysis.
> 
> Markus Elfring (2):
>  Delete an error message for a failed memory allocation in ca8210_probe()
>  Delete an error message for a failed memory allocation in ca8210_skb_rx()
> 
> drivers/net/ieee802154/ca8210.c | 9 ++-------
> 1 file changed, 2 insertions(+), 7 deletions(-)

both patches have been applied to bluetooth-next tree.

Regards

Marcel

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