V4L/DVB (13825): ir-core: Don't OOPS if IR device props is not defined

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>
This commit is contained in:
Mauro Carvalho Chehab 2009-12-16 23:46:48 -03:00
parent cd79d33e16
commit 0f7ff39532

View 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);