Commit f97dc421 authored Oct 28, 2016 by tang.junhui Committed by Mike Snitzer Nov 21, 2016

dm mpath: add m->hw_handler_name NULL pointer check in parse_hw_handler()



Avoids false positive of no hardware handler being specified (which is
implied by a NULL m->hw_handler_name).

Signed-off-by: tang.junhui <tang.junhui@zte.com.cn>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent bff7e067

drivers/md/dm-mpath.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1002,6 +1002,8 @@ static int parse_hw_handler(struct dm_arg_set as, struct multipath m)
		}

		m->hw_handler_name = kstrdup(dm_shift_arg(as), GFP_KERNEL);
		if (!m->hw_handler_name)
		return -EINVAL;

		if (hw_argc > 1) {
		char *p;