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Commit ffdd8f56 authored by Artem Chernyshev's avatar Artem Chernyshev Committed by Greg Kroah-Hartman
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RDMA/cxgb4: Check skb value for failure to allocate 



[ Upstream commit 8fb8a82086f5bda6893ea6557c5a458e4549c6d7 ]

get_skb() can fail to allocate skb, so check it.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 5be78ee9 ("RDMA/cxgb4: Fix LE hash collision bug for active open connection")
Signed-off-by: default avatarArtem Chernyshev <artem.chernyshev@red-soft.ru>
Link: https://lore.kernel.org/r/20230905124048.284165-1-artem.chernyshev@red-soft.ru


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 02f78c59

drivers/infiniband/hw/cxgb4/cm.c

+3 −0
Original line number Diff line number Diff line
@@ -1965,6 +1965,9 @@ static int send_fw_act_open_req(struct c4iw_ep *ep, unsigned int atid) 
	int win;



	skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);

	if (!skb)

		return -ENOMEM;



	req = __skb_put_zero(skb, sizeof(*req));

	req->op_compl = htonl(WR_OP_V(FW_OFLD_CONNECTION_WR));

	req->len16_pkd = htonl(FW_WR_LEN16_V(DIV_ROUND_UP(sizeof(*req), 16)));