Commit a18e6591 authored May 04, 2010 by Dan Carpenter Committed by Mauro Carvalho Chehab May 19, 2010

V4L/DVB: media/az6027: handle -EIO failure



If the az6027_usb_in_op() returns a negative errno ret is -EIO and in
that case the value of b[0] may be undefined.  The original code
assigned 0 to ret, but since it's already 0 now we can skip that.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

parent 32ec4576

drivers/media/dvb/dvb-usb/az6027.c

+1 −4

Original line number	Diff line number	Diff line
		@@ -701,10 +701,7 @@ static int az6027_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int o
		} else
		ret = 0;

		if (b[0] == 0) {
		ret = 0;

		} else if (b[0] == 1) {
		if (!ret && b[0] == 1) {
		ret = DVB_CA_EN50221_POLL_CAM_PRESENT \|
		DVB_CA_EN50221_POLL_CAM_READY;
		}