lib: Cleanup mem-leaks in error case

When we fail to properly lookup an error code, properly cleanup
on return.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/ferr.c b/lib/ferr.c
index 7b923da177..691da495cf 100644
--- a/lib/ferr.c
+++ b/lib/ferr.c
@@ -121,8 +121,12 @@ void log_ref_display(struct vty *vty, uint32_t code, bool json)
 
 	if (code) {
 		ref = log_ref_get(code);
-		if (!ref)
+		if (!ref) {
+			if (top)
+				json_object_free(top);
+			list_delete(&errlist);
 			return;
+		}
 		listnode_add(errlist, ref);
 	}