diff mbox series

[26/32] libmultipath: fix null dereference int alloc_path_group

Message ID 1533157038-3924-27-git-send-email-bmarzins@redhat.com (mailing list archive)
State Not Applicable, archived
Delegated to: christophe varoqui
Headers show
Series Misc Multipath patches | expand

Commit Message

Benjamin Marzinski Aug. 1, 2018, 8:57 p.m. UTC 
If all_pathgroup failed to allocate a vector for pgp->paths, instead of
failing after it freed pgp, it would set pgp to NULL and then
dereference it. This patch fixes that. Found by coverity.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
 libmultipath/structs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/libmultipath/structs.c b/libmultipath/structs.c
index ae847d6..caa178a 100644
--- a/libmultipath/structs.c
+++ b/libmultipath/structs.c
@@ -165,7 +165,7 @@  alloc_pathgroup (void)
 
 	if (!pgp->paths) {
 		FREE(pgp);
-		pgp = NULL;
+		return NULL;
 	}
 
 	dm_pathgroup_to_gen(pgp)->ops = &dm_gen_pathgroup_ops;