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>
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@ -701,10 +701,7 @@ static int az6027_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int o
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} else
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ret = 0;
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if (b[0] == 0) {
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ret = 0;
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} else if (b[0] == 1) {
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if (!ret && b[0] == 1) {
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ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
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DVB_CA_EN50221_POLL_CAM_READY;
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}
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