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| author | David S. Miller <davem@davemloft.net> | 2017-04-26 22:39:08 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-26 22:39:08 -0400 |
| commit | b1513c35317c106a1588f3ab32f6888f0e2afd71 (patch) | |
| tree | b2cd68a0d34dd04eb89fcf28e173e5ee22f898fd /net/core/dev.c | |
| parent | 78a57b482aa53b040fbc2b2ef0208b54f004161b (diff) | |
| parent | f83246089ca09308425175d47f5e71e6da68b2ef (diff) | |
| download | linux-b1513c35317c106a1588f3ab32f6888f0e2afd71.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 1b3317c026c6..3361ee87fcc2 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2451,6 +2451,9 @@ void __dev_kfree_skb_irq(struct sk_buff *skb, enum skb_free_reason reason) { unsigned long flags; + if (unlikely(!skb)) + return; + if (likely(atomic_read(&skb->users) == 1)) { smp_rmb(); atomic_set(&skb->users, 0); |