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(parent: a3695e9) | patch
net/ipv6: avoid possible dead locking on addr_gen_mode sysctl
authorFelix Jia <felix.jia@alliedtelesis.co.nz>
Sun, 26 Feb 2017 23:41:23 +0000 (12:41 +1300)
committerDavid S. Miller <davem@davemloft.net>
Wed, 1 Mar 2017 18:22:48 +0000 (10:22 -0800)
commit8c171d6ca56c6891372a97af26b58b2cfad7fd9a
tree13aaa3cbaebb1e12014a986f9f5e2c7c944501b1tree | snapshot
parenta3695e9751b3c616170b552f8561b5a7c5b7a3cacommit | diff
net/ipv6: avoid possible dead locking on addr_gen_mode sysctl

The addr_gen_mode variable can be accessed by both sysctl and netlink.
Repleacd rtnl_lock() with rtnl_trylock() protect the sysctl operation to
avoid the possbile dead lock.`

Signed-off-by: Felix Jia <felix.jia@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/addrconf.c diff | blob | history
John Crispins staging tree