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media: flexcop-usb: ensure -EIO is returned on error condition

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commit 74a96b51a36de4d86660fbc56b05d86668162d6b 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: b430eaba0be5 ("[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>
This commit is contained in:
Colin Ian King 2019-10-25 15:33:39 +02:00 committed by Greg Kroah-Hartman
parent 6e01d07c58
commit 8c450fb216
1 changed files with 1 additions and 1 deletions
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2
drivers/media/usb/b2c2/flexcop-usb.c
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@ -295,7 +295,7 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c,
mutex_unlock(&fc_usb->data_mutex);
return 0;
return ret;
}
/* actual bus specific access functions,