The uvc_submit_urb() function is supposed to use the passed in GFP_
flags but this code accidentally uses GFP_KERNEL instead. Some of
the callers are passing GFP_ATOMIC so presumably this can lead to
sleeping in atomic context.
Fixes: b20f917f84e6 ("media: uvcvideo: Use dma_alloc_noncontiguous API")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/media/usb/uvc/uvc_video.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index cdd8eb500bb7..a777b389a66e 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1119,7 +1119,7 @@ static int uvc_submit_urb(struct uvc_urb *uvc_urb, gfp_t mem_flags)
dma_sync_sgtable_for_device(uvc_stream_to_dmadev(uvc_urb->stream),
uvc_urb->sgt,
uvc_stream_dir(uvc_urb->stream));
- return usb_submit_urb(uvc_urb->urb, GFP_KERNEL);
+ return usb_submit_urb(uvc_urb->urb, mem_flags);
}
/*
--
2.30.2
