[ovs-git] Open vSwitch: ovs-controller: Avoid dereferencing NULL pointer when the switch acts as a hub (branch-1.10)

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- Log -----------------------------------------------------------------
commit b0fbc664fe9bb9704aa8d1cd0d6cd3eb17f80635
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=b0fbc664fe9bb9704aa8d1cd0d6cd3eb17f80635
Author: ZhengLingyun <konghuarukhr at 163.com>
		
ovs-controller: Avoid dereferencing NULL pointer when the switch acts as a hub
		
Starting ovs-controller with '-H' option will lead to a segment fault problem.
Add a check, and adjust the indentation of the following code.

Signed-off-by: ZhengLingyun <konghuarukhr at 163.com>
Signed-off-by: Ben Pfaff <blp at nicira.com>


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Summary of changes:
 lib/learning-switch.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


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