4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Artem Chernyshev <artem.chernyshev@xxxxxxxxxxx>
[ Upstream commit 8fb8a82086f5bda6893ea6557c5a458e4549c6d7 ]
get_skb() can fail to allocate skb, so check it.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 5be78ee924ae ("RDMA/cxgb4: Fix LE hash collision bug for active open connection")
Signed-off-by: Artem Chernyshev <artem.chernyshev@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230905124048.284165-1-artem.chernyshev@xxxxxxxxxxx
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/infiniband/hw/cxgb4/cm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 357960d48e668..2086844dfade9 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1902,6 +1902,9 @@ 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)));
--
2.40.1
