netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Govindarajulu Varadarajan <govindarajulu90@gmail.com>
To: davem@davemloft.net, gregkh@linuxfoundation.org,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	schwidefsky@de.ibm.com, linville@tuxdriver.com,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	IvDoorn@gmail.com, sbhatewara@vmware.com, samuel@sortiz.org,
	chas@cmf.nrl.navy.mil, roland@kernel.org, isdn@linux-pingi.de,
	jcliburn@gmail.com, benve@cisco.com, ssujith@cisco.com,
	jeffrey.t.kirsher@intel.com, jesse.brandeburg@intel.com,
	shahed.shaikh@qlogic.com, joe@perches.com, apw@canonical.com
Cc: Govindarajulu Varadarajan <govindarajulu90@gmail.com>
Subject: [PATCH net-next 01/13] net: Check skb for NULL in dev_kfree_skb_irq
Date: Sat,  2 Nov 2013 19:17:42 +0530	[thread overview]
Message-ID: <1383400074-30555-2-git-send-email-govindarajulu90@gmail.com> (raw)
In-Reply-To: <1383400074-30555-1-git-send-email-govindarajulu90@gmail.com>

Signed-off-by: Govindarajulu Varadarajan <govindarajulu90@gmail.com>
---
 net/core/dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 0054c8c..63bd44d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2146,7 +2146,7 @@ EXPORT_SYMBOL(__netif_schedule);
 
 void dev_kfree_skb_irq(struct sk_buff *skb)
 {
-	if (atomic_dec_and_test(&skb->users)) {
+	if (skb && atomic_dec_and_test(&skb->users)) {
 		struct softnet_data *sd;
 		unsigned long flags;
 
-- 
1.8.4.2

  reply	other threads:[~2013-11-02 13:47 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-02 13:47 [PATCH net-next 00/13] Protect dev_kfree_skb_irq from NULL and remove unnecessary NULL checks Govindarajulu Varadarajan
2013-11-02 13:47 ` Govindarajulu Varadarajan [this message]
2013-11-02 13:47 ` [PATCH net-next 02/13] driver: net: remove unnecessary skb NULL check before calling dev_kfree_skb_irq Govindarajulu Varadarajan
2013-11-04 20:12   ` David Miller
     [not found]     ` <20131104.151230.1978898006990867916.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2013-11-11 10:31       ` Govindarajulu Varadarajan
2013-11-18 19:26         ` Govindarajulu Varadarajan
2013-11-18 19:37           ` Johannes Berg
2013-11-18 20:17           ` David Miller
2013-11-02 13:47 ` [PATCH net-next 03/13] driver: atm: " Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 04/13] driver: staging: " Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 05/13] driver: usb/gadget: " Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 06/13] driver: net: remove unnecessary NULL check before dev_kfree_skb_any Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 07/13] driver: staging: " Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 08/13] driver: isdn: " Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 09/13] driver: s390: " Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 10/13] driver: infiniband: " Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 11/13] driver: usb: " Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 12/13] driver: net: fix space before '(' and remove extra variable Govindarajulu Varadarajan
2013-11-02 13:47 ` [PATCH net-next 13/13] scripts/checkpatch.pl: Add dev_kfree_skb*(NULL) check to checkpatch Govindarajulu Varadarajan
2013-11-04  0:37   ` Joe Perches

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1383400074-30555-2-git-send-email-govindarajulu90@gmail.com \
    --to=govindarajulu90@gmail.com \
    --cc=IvDoorn@gmail.com \
    --cc=apw@canonical.com \
    --cc=benve@cisco.com \
    --cc=chas@cmf.nrl.navy.mil \
    --cc=davem@davemloft.net \
    --cc=gregkh@linuxfoundation.org \
    --cc=isdn@linux-pingi.de \
    --cc=jcliburn@gmail.com \
    --cc=jeffrey.t.kirsher@intel.com \
    --cc=jesse.brandeburg@intel.com \
    --cc=joe@perches.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=linville@tuxdriver.com \
    --cc=netdev@vger.kernel.org \
    --cc=roland@kernel.org \
    --cc=samuel@sortiz.org \
    --cc=sbhatewara@vmware.com \
    --cc=schwidefsky@de.ibm.com \
    --cc=shahed.shaikh@qlogic.com \
    --cc=ssujith@cisco.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).