From: Chengguang Xu <cgxu519@xxxxxxxxxxxx> [ Upstream commit 7e8e611d6a0ff228577b1167335ffefb0f44d5d8 ] The type of wqe length is u32 so in order to avoid overflow and shadow casting change variable and relevant function argument to proper type. Link: https://lore.kernel.org/r/20220307145047.3235675-1-cgxu519@xxxxxxxxxxxx Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxxx> Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/infiniband/sw/rxe/rxe_req.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c index 5eb89052dd66..b28036a7a3b8 100644 --- a/drivers/infiniband/sw/rxe/rxe_req.c +++ b/drivers/infiniband/sw/rxe/rxe_req.c @@ -359,7 +359,7 @@ static inline int get_mtu(struct rxe_qp *qp) static struct sk_buff *init_req_packet(struct rxe_qp *qp, struct rxe_send_wqe *wqe, - int opcode, int payload, + int opcode, u32 payload, struct rxe_pkt_info *pkt) { struct rxe_dev *rxe = to_rdev(qp->ibqp.device); @@ -449,7 +449,7 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp, static int finish_packet(struct rxe_qp *qp, struct rxe_send_wqe *wqe, struct rxe_pkt_info *pkt, struct sk_buff *skb, - int paylen) + u32 paylen) { int err; @@ -497,7 +497,7 @@ static void update_wqe_state(struct rxe_qp *qp, static void update_wqe_psn(struct rxe_qp *qp, struct rxe_send_wqe *wqe, struct rxe_pkt_info *pkt, - int payload) + u32 payload) { /* number of packets left to send including current one */ int num_pkt = (wqe->dma.resid + payload + qp->mtu - 1) / qp->mtu; @@ -540,7 +540,7 @@ static void rollback_state(struct rxe_send_wqe *wqe, } static void update_state(struct rxe_qp *qp, struct rxe_send_wqe *wqe, - struct rxe_pkt_info *pkt, int payload) + struct rxe_pkt_info *pkt, u32 payload) { qp->req.opcode = pkt->opcode; @@ -612,7 +612,7 @@ int rxe_requester(void *arg) struct sk_buff *skb; struct rxe_send_wqe *wqe; enum rxe_hdr_mask mask; - int payload; + u32 payload; int mtu; int opcode; int ret; -- 2.34.1
