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authorHerbert Xu <herbert@gondor.apana.org.au>2009-04-19 18:35:50 -0400
committerDavid S. Miller <davem@davemloft.net>2009-04-20 06:01:48 -0400
commitc40af84a6726f63e35740d26f841992e8f31f92c (patch)
treedbb8271908d537817915814735cfc2a86130e2f6 /drivers/net/smc911x.h
parent9c3fea6ab04a7bd9298e635bf29b4a5379f6c476 (diff)
tun: Fix sk_sleep races when attaching/detaching
As the sk_sleep wait queue actually lives in tfile, which may be detached from the tun device, bad things will happen when we use sk_sleep after detaching. Since the tun device is the persistent data structure here (when requested by the user), it makes much more sense to have the wait queue live there. There is no reason to have it in tfile at all since the only time we can wait is if we have a tun attached. In fact we already have a wait queue in tun_struct, so we might as well use it. Reported-by: Eric W. Biederman <ebiederm@xmission.com> Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Tested-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/smc911x.h')
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