diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 244fb76eaead205a567513ad86525b81adb9246d..4ab906be8962a9ec5fdfa976316f820dd463b49a 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -1497,6 +1497,7 @@ static int vidioc_reqbufs(struct file *file, void *priv, return -ERESTARTSYS; if (gspca_dev->memory != GSPCA_MEMORY_NO + && gspca_dev->memory != GSPCA_MEMORY_READ && gspca_dev->memory != rb->memory) { ret = -EBUSY; goto out; @@ -1525,6 +1526,9 @@ static int vidioc_reqbufs(struct file *file, void *priv, gspca_stream_off(gspca_dev); mutex_unlock(&gspca_dev->usb_lock); } + /* Don't restart the stream when switching from read to mmap mode */ + if (gspca_dev->memory == GSPCA_MEMORY_READ) + streaming = 0; /* free the previous allocated buffers, if any */ if (gspca_dev->nframes != 0)