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authorEric W. Biederman <ebiederm@xmission.com>2009-05-13 17:02:50 +0000
committerDavid S. Miller <davem@davemloft.net>2009-05-18 22:16:00 -0700
commit496a60cdcd5d0d884dddf6c3b4ea912923a70f13 (patch)
treedd7c3e4e61d4c4bead3c7bd3db17401431e6d87e /include
parent26574401fef6766f6c3ca25b5c13febe662d2a32 (diff)
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net: FIX bonding sysfs rtnl_lock deadlock
Sysfs files for a network device can not unconditionally take the rtnl_lock as the bonding sysfs files do. If someone accesses those sysfs files while the network device is being unregistered with the rtnl_lock held we will deadlock. So use trylock and restart_syscall to avoid this problem. Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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