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virtio: console: Check if portdev is valid in send_control_msg()
authorAmit Shah <amit.shah@redhat.com>
Thu, 2 Sep 2010 12:41:42 +0000 (18:11 +0530)
committerRusty Russell <rusty@rustcorp.com.au>
Thu, 21 Oct 2010 07:14:00 +0000 (17:44 +1030)
A portdev may have been hot-unplugged while a port was open()ed.  Skip
sending control messages when the portdev isn't valid.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

No differences found
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