diff mbox series

[v2,1/2] RDMA/rxe: change variable and function argument to proper type

Message ID 20220307145047.3235675-1-cgxu519@mykernel.net (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series [v2,1/2] RDMA/rxe: change variable and function argument to proper type | expand

Commit Message

Chengguang Xu March 7, 2022, 2:50 p.m. UTC
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.

Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
---
 drivers/infiniband/sw/rxe/rxe_req.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

Comments

Leon Romanovsky March 9, 2022, 1:34 p.m. UTC | #1
On Mon, Mar 07, 2022 at 10:50:46PM +0800, Chengguang Xu wrote:
> 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.
> 
> Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
> ---
>  drivers/infiniband/sw/rxe/rxe_req.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 

Thanks,
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Jason Gunthorpe March 14, 2022, 11:44 p.m. UTC | #2
On Mon, Mar 07, 2022 at 10:50:46PM +0800, Chengguang Xu wrote:
> 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.
> 
> Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
> Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
> ---
>  drivers/infiniband/sw/rxe/rxe_req.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)

Both patches applied to for-next, thanks

Jason
diff mbox series

Patch

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;