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Commit 13974909 authored by Dan Carpenter's avatar Dan Carpenter Committed by Roland Dreier
Browse files

IB/mlx4: Handle -ENOMEM in forward_trap() 



ib_create_send_mad() can return ERR_PTR(-ENOMEM) here.

Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 030b4b33

drivers/infiniband/hw/mlx4/mad.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -211,6 +211,8 @@ static void forward_trap(struct mlx4_ib_dev *dev, u8 port_num, struct ib_mad *ma 
	if (agent) {

	if (agent) {

		send_buf = ib_create_send_mad(agent, qpn, 0, 0, IB_MGMT_MAD_HDR,

		send_buf = ib_create_send_mad(agent, qpn, 0, 0, IB_MGMT_MAD_HDR,

					      IB_MGMT_MAD_DATA, GFP_ATOMIC);

					      IB_MGMT_MAD_DATA, GFP_ATOMIC);

		if (IS_ERR(send_buf))

			return;

		/*

		/*

		 * We rely here on the fact that MLX QPs don't use the

		 * We rely here on the fact that MLX QPs don't use the

		 * address handle after the send is posted (this is

		 * address handle after the send is posted (this is