bsr: avoid format string leaking into device name

This makes sure a format string cannot accidentally leak into a device name.

Signed-off-by: Kees Cook <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/char/bsr.c

···
 		}
 
 		cur->bsr_device = device_create(bsr_class, NULL, cur->bsr_dev,
-						cur, cur->bsr_name);
+						cur, "%s", cur->bsr_name);
 		if (IS_ERR(cur->bsr_device)) {
 			printk(KERN_ERR "device_create failed for %s\n",
 			       cur->bsr_name);