video/saa7134: potential null dereferences in debug code

Commit Message

Dan Carpenter May 22, 2010, 8:15 p.m. UTC

None

Patch

diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
index e5565e2..e14f2f8 100644
--- a/drivers/media/video/saa7134/saa7134-input.c
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -61,9 +61,9 @@  MODULE_PARM_DESC(disable_other_ir, "disable full codes of "
     "alternative remotes from other manufacturers");
 
 #define dprintk(fmt, arg...)	if (ir_debug) \
-	printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
+	printk(KERN_DEBUG "%s/ir: " fmt, dev ? dev->name : "<null>", ## arg)
 #define i2cdprintk(fmt, arg...)    if (ir_debug) \
-	printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
+	printk(KERN_DEBUG "%s/ir: " fmt, ir ? ir->name : "<null>", ## arg)
 
 /* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */
 static int saa7134_rc5_irq(struct saa7134_dev *dev);