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Subject[PATCH 4.14 55/74] media: flexcop-usb: ensure -EIO is returned on error condition
Date
From: Colin Ian King <colin.king@canonical.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@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>

---
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
@@ -294,7 +294,7 @@ 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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