V4L/DVB (13825): ir-core: Don't OOPS if IR device props is not defined
Mauro Carvalho Chehab [Thu, 17 Dec 2009 02:46:48 +0000 (23:46 -0300)]
As currently most drivers don't define ir_dev->props, we shouldn't assume
that this field is defined.

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

drivers/media/IR/ir-sysfs.c

index d67c11d..6ec7f89 100644 (file)
@@ -97,7 +97,7 @@ static ssize_t store_protocol(struct device *d,
                return -EINVAL;
        }
 
-       if (ir_dev->props->change_protocol)
+       if (ir_dev->props && ir_dev->props->change_protocol)
                rc = ir_dev->props->change_protocol(ir_dev->props->priv,
                                                    ir_type);