From 467e6a1b4ece8e552ee638dab7f44a4d235ece1a Mon Sep 17 00:00:00 2001

From: Gioh Kim <gi-oh.kim@cloud.ionos.com>

Date: Fri, 7 Dec 2018 12:04:44 +0100

Subject: [RHEL7.7 PATCH 10/21] policy.c: prevent NULL pointer referencing

paths could be NULL and paths[0] should be followed by NULL pointer

checking.

Reviewed-by: NeilBrown <neilb@suse.com>

Signed-off-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>

Signed-off-by: Jes Sorensen <jsorensen@fb.com>

---

 policy.c | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/policy.c b/policy.c

index fa67d55..e3a0671 100644

--- a/policy.c

+++ b/policy.c

@@ -383,7 +383,7 @@ struct dev_policy *path_policy(char **paths, char *type)

 	/* Now add any metadata-specific internal knowledge

 	 * about this path

 	 */

-	for (i=0; paths[0] && superlist[i]; i++)

+	for (i=0; paths && paths[0] && superlist[i]; i++)

 		if (superlist[i]->get_disk_controller_domain) {

 			const char *d =

 				superlist[i]->get_disk_controller_domain(

-- 

2.7.5