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(parent: af38f29) | patch
net: Fix ipoib rtnl_lock sysfs deadlock.
authorEric W. Biederman <ebiederm@xmission.com>
Wed, 13 May 2009 17:01:51 +0000 (17:01 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 19 May 2009 05:15:59 +0000 (22:15 -0700)
commit26574401fef6766f6c3ca25b5c13febe662d2a32
treef3ef9fe491dbdece50d77ccc56bb797727b91375tree | snapshot
parentaf38f2989572704a846a5577b5ab3b1e2885cbfbcommit | diff
net: Fix ipoib rtnl_lock sysfs deadlock.

Network device sysfs files that grab the rtnl_lock unconditionally
will deadlock if accessed when the network device is being
unregistered.  So use trylock and syscall_restart to avoid this
deadlock.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/infiniband/ulp/ipoib/ipoib_cm.c diff | blob | history
drivers/infiniband/ulp/ipoib/ipoib_vlan.c diff | blob | history
Full containers within linux kernel