openvswitch: Fix race.
authorJarno Rajahalme <jrajahalme@nicira.com>
Sun, 16 Feb 2014 01:42:29 +0000 (17:42 -0800)
committerJesse Gross <jesse@nicira.com>
Sun, 16 Feb 2014 01:42:29 +0000 (17:42 -0800)
commit42ee19e2939277a5277c307e517ce2d7ba5f0703
tree57448c732f703451d3e7a96ff9e736ea62acd1dc
parent04382a3303c22b0c536fbd0c94c1f012f2b8ed60
openvswitch: Fix race.

ovs_vport_cmd_dump() did rcu_read_lock() only after getting the
datapath, which could have been deleted in between.  Resolved by
taking rcu_read_lock() before the get_dp() call.

Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
net/openvswitch/datapath.c