There is skb_clone(skb, GFP_KERNEL) in spinlock context in rxe_rcv_mcast_pkt().
Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <[email protected]> --- drivers/infiniband/sw/rxe/rxe_recv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c index 3d464c23e08b..144d2f129fcd 100644 --- a/drivers/infiniband/sw/rxe/rxe_recv.c +++ b/drivers/infiniband/sw/rxe/rxe_recv.c @@ -312,7 +312,7 @@ static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb) * make a copy of the skb to post to the next qp */ skb_copy = (mce->qp_list.next != &mcg->qp_list) ? - skb_clone(skb, GFP_KERNEL) : NULL; + skb_clone(skb, GFP_ATOMIC) : NULL; pkt->qp = qp; rxe_add_ref(qp); -- 2.7.4
