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RDMA/cxgb4: Check skb value for failure to allocate

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[ Upstream commit 8fb8a82086f5bda6893ea6557c5a458e4549c6d7 ]

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

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

Fixes: 5be78ee924 ("RDMA/cxgb4: Fix LE hash collision bug for active open connection")
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Link: https://lore.kernel.org/r/20230905124048.284165-1-artem.chernyshev@red-soft.ru
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Artem Chernyshev 2023-09-05 15:40:48 +03:00 • committed by Greg Kroah-Hartman
parent f175665385
commit 3aade96e0c
1 changed files with 3 additions and 0 deletions
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3
drivers/infiniband/hw/cxgb4/cm.c
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@ -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)));