Commit df1868e4 authored Sep 17, 2010 by Jarod Wilson Committed by Mauro Carvalho Chehab Oct 21, 2010

V4L/DVB: IR/lirc_dev: check for valid irctl in unregister path



Prompted by Red Hat bugzilla #633023

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

parent 04292fc0

drivers/media/IR/lirc_dev.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -366,6 +366,11 @@ int lirc_unregister_driver(int minor)
		}

		ir = irctls[minor];
		if (!ir) {
		printk(KERN_ERR "lirc_dev: lirc_unregister_driver: "
		"failed to get irctl struct for minor %d!", minor);
		return -ENOENT;
		}

		mutex_lock(&lirc_dev_lock);