From: Erik Andren Date: Thu, 16 Oct 2008 19:36:35 +0000 (-0300) Subject: V4L/DVB (9277): gspca: propagate an error in m5602_start_transfer() X-Git-Tag: firefly_0821_release~17364^2~16 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=588dbbb520e454260fa6bd283ac77fe4678c1c38;p=firefly-linux-kernel-4.4.55.git V4L/DVB (9277): gspca: propagate an error in m5602_start_transfer() Signed-off-by: Erik Andren Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c index 19d5e351ccc1..a7021fcec2bf 100644 --- a/drivers/media/video/gspca/m5602/m5602_core.c +++ b/drivers/media/video/gspca/m5602/m5602_core.c @@ -146,16 +146,18 @@ static int m5602_start_transfer(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; __u8 *buf = sd->gspca_dev.usb_buf; + int err; /* Send start command to the camera */ const u8 buffer[4] = {0x13, 0xf9, 0x0f, 0x01}; memcpy(buf, buffer, sizeof(buffer)); - usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), - 0x04, 0x40, 0x19, 0x0000, buf, - 4, M5602_URB_MSG_TIMEOUT); + err = usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + 0x04, 0x40, 0x19, 0x0000, buf, + 4, M5602_URB_MSG_TIMEOUT); PDEBUG(DBG_V4L2, "Transfer started"); - return 0; + return (err < 0) ? err : 0; } static void m5602_urb_complete(struct gspca_dev *gspca_dev,