From: Karel Zak <kzak@redhat.com>
Date: Mon, 20 Jun 2011 11:58:41 +0000 (+0200)
Subject: lib: [procutils.c] improve robustness
X-Git-Tag: v2.20-rc1~158
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4ef26746158b26c89057e6be81bc88ce553ebcdb;p=thirdparty%2Futil-linux.git

lib: [procutils.c] improve robustness

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/lib/procutils.c b/lib/procutils.c
index 2c9e83722d..2ab322522f 100644
--- 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;