From a18e659170b9c551749e1c8cb5a969ea8d73e378 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 4 May 2010 09:31:13 -0300 Subject: [PATCH] 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/az6027.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/az6027.c b/drivers/media/dvb/dvb-usb/az6027.c index baaa301..6681ac1 100644 --- a/drivers/media/dvb/dvb-usb/az6027.c +++ b/drivers/media/dvb/dvb-usb/az6027.c @@ -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; } -- 1.8.2.3