Add sanity checks in pthread cancels/joins

10 years ago · 343699a767
1 changed files with 2 additions and 2 deletions
--- a/src/ckpool.c
+++ b/src/ckpool.c
@ -865,7 +865,7 @@ static void clean_up(ckpool_t *ckp)
 static void cancel_join_pthread(pthread_t *pth)
 {
-	if (!*pth)
+	if (!pth || !*pth)
 		return;
 	pthread_cancel(*pth);
 	join_pthread(*pth);
@ -874,7 +874,7 @@ static void cancel_join_pthread(pthread_t *pth)
 static void cancel_pthread(pthread_t *pth)
 {
-	if (!*pth)
+	if (!pth || !*pth)
 		return;
 	pthread_cancel(*pth);
 	pth = NULL;