[PATCH v2] multipathd: ignore uevents for non-mpath devices

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multipathd can't deal with other devices anyway. Proceeding further
with events for other devices just generates log noise.

Based on an idea from Ritika Srivastava <ritika.srivastava@xxxxxxxxxx>.
("multipath-tools: Skip CHANGE uevent for non-mpath devices").

Changes in v2: always return immediately for non-mpath case
  (Ritika Srivastava)

Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
---
 multipathd/main.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/multipathd/main.c b/multipathd/main.c
index ff3ecb640487..a8a0c302e8fe 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -1122,6 +1122,8 @@ uev_trigger (struct uevent * uev, void * trigger_data)
 	 * are not fully initialised then.
 	 */
 	if (!strncmp(uev->kernel, "dm-", 3)) {
+		if (!uevent_is_mpath(uev))
+			goto out;
 		if (!strncmp(uev->action, "change", 6)) {
 			r = uev_add_map(uev, vecs);
 
@@ -1132,11 +1134,8 @@ uev_trigger (struct uevent * uev, void * trigger_data)
 			 * cess.
 			 */
 			uev_pathfail_check(uev, vecs);
-			goto out;
-		}
-		if (!strncmp(uev->action, "remove", 6)) {
+		} else if (!strncmp(uev->action, "remove", 6)) {
 			r = uev_remove_map(uev, vecs);
-			goto out;
 		}
 		goto out;
 	}
-- 
2.16.1

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