From: Antti Palosaari Date: Thu, 21 Aug 2014 14:19:13 +0000 (-0300) Subject: [media] dvb-usb-v2: remove dvb_usb_device NULL check X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=206ace2288449008742c8ca65f1865e51e83e442;p=deliverable%2Flinux.git [media] dvb-usb-v2: remove dvb_usb_device NULL check Reported by Dan Carpenter: The patch d10d1b9ac97b: "[media] dvb_usb_v2: use dev_* logging macros" from Jun 26, 2012, leads to the following Smatch complaint: drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c:31 dvb_usb_v2_generic_io() error: we previously assumed 'd' could be null (see line 29) ... Remove whole check as it must not happen in any case. Driver is totally broken if it does not have valid pointer to device. Reported-by: Dan Carpenter Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c index 33ff97e708e3..22bdce15ecf3 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c @@ -26,7 +26,7 @@ static int dvb_usb_v2_generic_io(struct dvb_usb_device *d, { int ret, actual_length; - if (!d || !wbuf || !wlen || !d->props->generic_bulk_ctrl_endpoint || + if (!wbuf || !wlen || !d->props->generic_bulk_ctrl_endpoint || !d->props->generic_bulk_ctrl_endpoint_response) { dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, -EINVAL); return -EINVAL;