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>
- 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;
}
ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
DVB_CA_EN50221_POLL_CAM_READY;
}