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(parent: ff0102e) | patch
bonding: fix set mode race conditions
authornikolay@redhat.com <nikolay@redhat.com>
Sat, 18 May 2013 01:18:28 +0000 (01:18 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 20 May 2013 06:25:49 +0000 (23:25 -0700)
commitea6836dd7ef9cfbed5dce421190009f9eed00b7e
tree3eb87d6856598772743b4fe8088468c7de09d8bbtree | snapshot (tar.gz zip)
parentff0102ee104847023c36357e2b9f133f3f40d211commit | diff
bonding: fix set mode race conditions

Changing the mode without any locking can result in multiple races (e.g.
upping a bond, enslaving/releasing). Depending on which race is hit the
impact can vary from incosistent bond state to kernel crash.
Use RTNL to synchronize the mode setting with the dangerous races.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/bonding/bond_sysfs.c diff | blob | blame | history