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(parent: b1a3856) | patch
xen/manage: correct return value check on xenbus_scanf()
authorJan Beulich <JBeulich@suse.com>
Sat, 7 Oct 2017 22:36:53 +0000 (22:36 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 8 Nov 2017 09:08:35 +0000 (10:08 +0100)
commitb469d5c393c24a3b1edb3c88e61d2d8c1bc0a38a
tree61e5bd679590dd9600db2d89a877e9fa34781d5ctree | snapshot
parentb1a38567a9ed04d0c235023d5b2a70cce1a3bc4ccommit | diff
xen/manage: correct return value check on xenbus_scanf()

[ Upstream commit 4fed1b125eb6252bde478665fc05d4819f774fa8 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/xen/manage.c diff | blob | history