media: flexcop-usb: ensure -EIO is returned on error condition
commit5.4-rM2-2.2.x-imx-squashed74a96b51a3
upstream. An earlier commit hard coded a return 0 to function flexcop_usb_i2c_req even though the an -EIO was intended to be returned in the case where ret != buflen. Fix this by replacing the return 0 with the return of ret to return the error return code. Addresses-Coverity: ("Unused value") Fixes:b430eaba0b
("[media] flexcop-usb: don't use stack for DMA") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -295,7 +295,7 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c,
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mutex_unlock(&fc_usb->data_mutex);
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return 0;
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return ret;
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}
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/* actual bus specific access functions,
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