diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 4fb031cfb64fe573c0fdf06aa67e59de94ac9486..9c9d7ea7e626b3d82241bfe64e43a106f5b2117f 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -1503,7 +1503,7 @@ static int vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *rb) { struct gspca_dev *gspca_dev = priv; - int i, ret = 0; + int i, ret = 0, streaming; switch (rb->memory) { case GSPCA_MEMORY_READ: /* (internal call) */ @@ -1538,7 +1538,8 @@ static int vidioc_reqbufs(struct file *file, void *priv, } /* stop streaming */ - if (gspca_dev->streaming) { + streaming = gspca_dev->streaming; + if (streaming) { mutex_lock(&gspca_dev->usb_lock); gspca_dev->usb_err = 0; gspca_stream_off(gspca_dev); @@ -1557,6 +1558,8 @@ static int vidioc_reqbufs(struct file *file, void *priv, if (ret == 0) { rb->count = gspca_dev->nframes; gspca_dev->capt_file = file; + if (streaming) + ret = gspca_init_transfer(gspca_dev); } out: mutex_unlock(&gspca_dev->queue_lock);