lib: [procutils.c] improve robustness

Signed-off-by: Karel Zak <kzak@redhat.com>
2011-06-20 13:58:41 +02:00 · 2011-06-20 13:58:41 +02:00 · 4ef2674615
parent 58a111bdb2
commit 4ef2674615
1 changed files with 3 additions and 0 deletions
--- a/lib/procutils.c
+++ b/lib/procutils.c
@ -72,6 +72,9 @@ int proc_next_tid(struct proc_tasks *tasks, pid_t *tid)
 	struct dirent *d;
 	char *end;

+	if (!tasks || !tid)
+		return -1;
+
 	*tid = 0;
 	errno = 0;