From 588dbbb520e454260fa6bd283ac77fe4678c1c38 Mon Sep 17 00:00:00 2001 From: Erik Andren Date: Thu, 16 Oct 2008 16:36:35 -0300 Subject: 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 --- drivers/media/video/gspca/m5602/m5602_core.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers/media') diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c index 19d5e35..a7021fc 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, -- cgit v1.1