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| author | Dan Carpenter <error27@gmail.com> | 2010-05-04 14:31:13 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-19 17:59:05 +0200 |
| commit | a18e659170b9c551749e1c8cb5a969ea8d73e378 (patch) | |
| tree | ac35097a920ca9026c183be87d525a3e60d4a0f9 /drivers/media | |
| parent | V4L/DVB: media/az6027: doing dma on the stack (diff) | |
| download | linux-a18e659170b9c551749e1c8cb5a969ea8d73e378.tar.xz linux-a18e659170b9c551749e1c8cb5a969ea8d73e378.zip | |
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>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/az6027.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/media/dvb/dvb-usb/az6027.c b/drivers/media/dvb/dvb-usb/az6027.c index baaa301c5768..6681ac1c56e3 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; } |