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netpoll: Use skb_irq_freeable to make zap_completion_queue safe.
authorEric W. Biederman <ebiederm@xmission.com>
Tue, 1 Apr 2014 19:21:02 +0000 (12:21 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 1 Apr 2014 21:53:36 +0000 (17:53 -0400)
commitb1586f099ba897542ece36e8a23c1a62907261ef
tree24022cea66ee2f01d37f22a94e6d0d5f71988980tree | snapshot (tar.gz zip)
parent574f7194f693cd80de96a39f0c43dbb346c38a15commit | diff
netpoll: Use skb_irq_freeable to make zap_completion_queue safe.

Replace the test in zap_completion_queue to test when it is safe to
free skbs in hard irq context with skb_irq_freeable ensuring we only
free skbs when it is safe, and removing the possibility of subtle
problems.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/netpoll.c diff | blob | blame | history