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(parent: 5e95329) | patch
bridge: avoid br_ifinfo_notify when nothing changed
authorHong zhi guo <honkiko@gmail.com>
Sun, 24 Mar 2013 03:26:47 +0000 (03:26 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sun, 24 Mar 2013 21:16:30 +0000 (17:16 -0400)
commit7b99a99390ca328f4678ac04358c94744ab0f8b4
tree266b13a857c2d2c62566e30db838954bedd3c01ctree | snapshot
parent5e95329b701c4edf6c4d72487ec0369fa148c0bdcommit | diff
bridge: avoid br_ifinfo_notify when nothing changed

When neither IFF_BRIDGE nor IFF_BRIDGE_PORT is set,
and afspec == NULL but  protinfo != NULL, we run into
"if (err == 0) br_ifinfo_notify(RTM_NEWLINK, p);" with
random value in ret.

Thanks to Sergei for pointing out the error in commit comments.

Signed-off-by: Hong Zhiguo <honkiko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/bridge/br_netlink.c diff | blob | history
Domain: System / Kernel;