]> err.no Git - linux-2.6/commitdiff
Input: libps2 - warn instead of oopsing when passed bad arguments
authorDmitry Torokhov <dtor@insightbb.com>
Fri, 7 Jul 2006 03:54:48 +0000 (23:54 -0400)
committerDmitry Torokhov <dtor@insightbb.com>
Fri, 7 Jul 2006 03:54:48 +0000 (23:54 -0400)
This is more user-friendly and also fixes Coverity #id 249

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
drivers/input/serio/libps2.c

index 61a6f977846f3fe999ebddd5d58a839e8dac5472..ed202f2f251aa76eeb3b680186a7baa7ddefaa7a 100644 (file)
@@ -177,6 +177,11 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
                return -1;
        }
 
+       if (send && !param) {
+               WARN_ON(1);
+               return -1;
+       }
+
        mutex_lock_nested(&ps2dev->cmd_mutex, SINGLE_DEPTH_NESTING);
 
        serio_pause_rx(ps2dev->serio);