[dm-devel] [PATCH 32/32] multipathd: fix memory leak on error in configure

[Benjamin Marzinski]

If configure fails after allocing mpvec, it must free it. Found by
coverity.

Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
---
 multipathd/main.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/multipathd/main.c b/multipathd/main.c
index 3c2fe7b..61ca455 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -2277,7 +2277,7 @@ configure (struct vectors * vecs)
 	ret = path_discovery(vecs->pathvec, DI_ALL);
 	if (ret < 0) {
 		condlog(0, "configure failed at path discovery");
-		return 1;
+		goto fail;
 	}
 
 	vector_foreach_slot (vecs->pathvec, pp, i){
@@ -2294,7 +2294,7 @@ configure (struct vectors * vecs)
 	}
 	if (map_discovery(vecs)) {
 		condlog(0, "configure failed at map discovery");
-		return 1;
+		goto fail;
 	}
 
 	/*
@@ -2308,7 +2308,7 @@ configure (struct vectors * vecs)
 		force_reload = FORCE_RELOAD_YES;
 	if (ret) {
 		condlog(0, "configure failed while coalescing paths");
-		return 1;
+		goto fail;
 	}
 
 	/*
@@ -2317,7 +2317,7 @@ configure (struct vectors * vecs)
 	 */
 	if (coalesce_maps(vecs, mpvec)) {
 		condlog(0, "configure failed while coalescing maps");
-		return 1;
+		goto fail;
 	}
 
 	dm_lib_release();
@@ -2353,6 +2353,10 @@ configure (struct vectors * vecs)
 			i--;
 	}
 	return 0;
+
+fail:
+	vector_free(mpvec);
+	return 1;
 }
 
 int
-- 
2.7.4