xenbus: check return value of xenbus_scanf()

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Don't ignore errors here: Set backend state to unknown when
unsuccessful.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>

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Jan Beulich 2016-10-24 09:05:18 -06:00 • committed by David Vrabel

parent e1e5b3ff41

commit c251f15c7d

1 changed files with 3 additions and 1 deletions

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4

drivers/xen/xenbus/xenbus_probe_frontend.c

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