flock: possible pointer dereferences [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>
2013-03-27 14:40:42 +01:00 · 2013-03-27 14:40:42 +01:00 · 3c7fbc82da
parent 31bfda07a4
commit 3c7fbc82da
1 changed files with 1 additions and 0 deletions
--- a/sys-utils/flock.c
+++ b/sys-utils/flock.c
@ -255,6 +255,7 @@ int main(int argc, char *argv[])
 			 */
 			if (!(open_flags & O_RDWR) &&
 			    type != LOCK_SH &&
+			    filename &&
 			    access(filename, R_OK | W_OK) == 0) {

 				close(fd);