xen/manage: correct return value check on xenbus_scanf()

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A negative return value indicates an error; in fact the function at
present won't ever return zero.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

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Jan Beulich 2017-02-03 01:54:05 -07:00 • committed by Boris Ostrovsky

parent cc272163ea

commit 4fed1b125e

1 changed files with 1 additions and 1 deletions

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drivers/xen/manage.c

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