media: dvb: return -EREMOTEIO on i2c transfer failure.
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Message ID
State New
Headers show
  • media: dvb: return -EREMOTEIO on i2c transfer failure.
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Commit Message

Colin King Feb. 10, 2020, 5:51 p.m. UTC
From: Colin Ian King <>

Currently when i2c transfers fail the error return -EREMOTEIO
is assigned to err but then later overwritten when the tuner
attach call is made.  Fix this by returning early with the
error return code -EREMOTEIO on i2c transfer failure errors.

Addresses-Coverity: ("Unused value")
Fixes: fbfee8684ff2 ("V4L/DVB (5651): Dibusb-mb: convert pll handling to properly use dvb-pll")
Signed-off-by: Colin Ian King <>
 drivers/media/usb/dvb-usb/dibusb-mb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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diff --git a/drivers/media/usb/dvb-usb/dibusb-mb.c b/drivers/media/usb/dvb-usb/dibusb-mb.c
index d4ea72bf09c5..5131c8d4c632 100644
--- a/drivers/media/usb/dvb-usb/dibusb-mb.c
+++ b/drivers/media/usb/dvb-usb/dibusb-mb.c
@@ -81,7 +81,7 @@  static int dibusb_tuner_probe_and_attach(struct dvb_usb_adapter *adap)
 	if (i2c_transfer(&adap->dev->i2c_adap, msg, 2) != 2) {
 		err("tuner i2c write failed.");
-		ret = -EREMOTEIO;
+		return -EREMOTEIO;
 	if (adap->fe_adap[0].fe->ops.i2c_gate_ctrl)