upstream: [media] hdpvr: Added some error handling in hdpvr_start_streaming()

Signed-off-by: Leonid Kegulskiy <leo@lumanate.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
index eed70a4..d7799c0 100644 (file)
--- a/drivers/media/usb/hdpvr/hdpvr-video.c
+++ b/drivers/media/usb/hdpvr/hdpvr-video.c
@@ -298,8 +298,12 @@ static int hdpvr_start_streaming(struct hdpvr_device *dev)
                                      0xb8, 0x38, 0x1, 0, NULL, 0, 8000);
                v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
                         "encoder start control request returned %d\n", ret);
+               if (ret < 0)
+                       return ret;
 
-               hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
+               ret = hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
+               if (ret)
+                       return ret;
 
                dev->status = STATUS_STREAMING;