[PATCH net-next 01/13] net: Check skb for NULL in dev_kfree_skb_irq

From: Govindarajulu Varadarajan
Date: Sat Nov 02 2013 - 09:48:13 EST


Signed-off-by: Govindarajulu Varadarajan <govindarajulu90@xxxxxxxxx>
---
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

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