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authorJan Beulich <JBeulich@suse.com>2017-02-03 01:54:05 -0700
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2017-02-03 11:26:40 -0500
commit4fed1b125eb6252bde478665fc05d4819f774fa8 (patch)
treeb01d18177269f4c15286400ad389564e1846636e /block/cfq-iosched.c
parentcc272163ea554a97dac180fa8dd6cd54c2810bd1 (diff)
downloadlinux-4fed1b125eb6252bde478665fc05d4819f774fa8.tar.bz2
xen/manage: correct return value check on xenbus_scanf()
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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