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Date: Tue, 7 Jan 2020 21:54:43 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Colin Ian King <colin.king@...onical.com>, Sean Young <sean@...s.org>, Mauro Carvalho Chehab <mchehab@...nel.org> Subject: [PATCH 5.4 163/191] media: flexcop-usb: ensure -EIO is returned on error condition From: Colin Ian King <colin.king@...onical.com> 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@...onical.com> Signed-off-by: Sean Young <sean@...s.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@...nel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/media/usb/b2c2/flexcop-usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/media/usb/b2c2/flexcop-usb.c +++ b/drivers/media/usb/b2c2/flexcop-usb.c @@ -295,7 +295,7 @@ static int flexcop_usb_i2c_req(struct fl mutex_unlock(&fc_usb->data_mutex); - return 0; + return ret; } /* actual bus specific access functions,
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