* [PATCH-next] RDMA/erdma: Fix opcode conditional check
@ 2024-12-19 4:39 Advait Dhamorikar
2024-12-19 5:40 ` Cheng Xu
2024-12-19 12:16 ` Leon Romanovsky
0 siblings, 2 replies; 3+ messages in thread
From: Advait Dhamorikar @ 2024-12-19 4:39 UTC (permalink / raw)
To: Cheng Xu, Kai Shen, Jason Gunthorpe, Leon Romanovsky
Cc: linux-rdma, linux-kernel, Advait Dhamorikar
Fix conditional if else check by checking with wr->opcode.
The indicated dead code may have performed some action; that
action will never occur as op is pre-assigned a different value.
Signed-off-by: Advait Dhamorikar <advaitdhamorikar@gmail.com>
---
drivers/infiniband/hw/erdma/erdma_qp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/erdma/erdma_qp.c b/drivers/infiniband/hw/erdma/erdma_qp.c
index 4dfb4272ad86..5c266918fb36 100644
--- a/drivers/infiniband/hw/erdma/erdma_qp.c
+++ b/drivers/infiniband/hw/erdma/erdma_qp.c
@@ -406,7 +406,7 @@ static void init_send_sqe_rc(struct erdma_qp *qp, struct erdma_send_sqe_rc *sqe,
if (wr->opcode == IB_WR_SEND_WITH_IMM) {
op = ERDMA_OP_SEND_WITH_IMM;
sqe->imm_data = wr->ex.imm_data;
- } else if (op == IB_WR_SEND_WITH_INV) {
+ } else if (wr->opcode == IB_WR_SEND_WITH_INV) {
op = ERDMA_OP_SEND_WITH_INV;
sqe->invalid_stag = cpu_to_le32(wr->ex.invalidate_rkey);
}
--
2.34.1
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH-next] RDMA/erdma: Fix opcode conditional check
2024-12-19 4:39 [PATCH-next] RDMA/erdma: Fix opcode conditional check Advait Dhamorikar
@ 2024-12-19 5:40 ` Cheng Xu
2024-12-19 12:16 ` Leon Romanovsky
1 sibling, 0 replies; 3+ messages in thread
From: Cheng Xu @ 2024-12-19 5:40 UTC (permalink / raw)
To: Advait Dhamorikar, Kai Shen, Jason Gunthorpe, Leon Romanovsky
Cc: linux-rdma, linux-kernel
On 12/19/24 12:39 PM, Advait Dhamorikar wrote:
> Fix conditional if else check by checking with wr->opcode.
> The indicated dead code may have performed some action; that
> action will never occur as op is pre-assigned a different value.
>
> Signed-off-by: Advait Dhamorikar <advaitdhamorikar@gmail.com>
> ---
> drivers/infiniband/hw/erdma/erdma_qp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Reviewed-by: Cheng Xu <chengyou@linux.alibaba.com>
Thanks very much,
Cheng Xu
> diff --git a/drivers/infiniband/hw/erdma/erdma_qp.c b/drivers/infiniband/hw/erdma/erdma_qp.c
> index 4dfb4272ad86..5c266918fb36 100644
> --- a/drivers/infiniband/hw/erdma/erdma_qp.c
> +++ b/drivers/infiniband/hw/erdma/erdma_qp.c
> @@ -406,7 +406,7 @@ static void init_send_sqe_rc(struct erdma_qp *qp, struct erdma_send_sqe_rc *sqe,
> if (wr->opcode == IB_WR_SEND_WITH_IMM) {
> op = ERDMA_OP_SEND_WITH_IMM;
> sqe->imm_data = wr->ex.imm_data;
> - } else if (op == IB_WR_SEND_WITH_INV) {
> + } else if (wr->opcode == IB_WR_SEND_WITH_INV) {
> op = ERDMA_OP_SEND_WITH_INV;
> sqe->invalid_stag = cpu_to_le32(wr->ex.invalidate_rkey);
> }
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH-next] RDMA/erdma: Fix opcode conditional check
2024-12-19 4:39 [PATCH-next] RDMA/erdma: Fix opcode conditional check Advait Dhamorikar
2024-12-19 5:40 ` Cheng Xu
@ 2024-12-19 12:16 ` Leon Romanovsky
1 sibling, 0 replies; 3+ messages in thread
From: Leon Romanovsky @ 2024-12-19 12:16 UTC (permalink / raw)
To: Cheng Xu, Kai Shen, Jason Gunthorpe, Advait Dhamorikar
Cc: linux-rdma, linux-kernel
On Thu, 19 Dec 2024 10:09:39 +0530, Advait Dhamorikar wrote:
> Fix conditional if else check by checking with wr->opcode.
> The indicated dead code may have performed some action; that
> action will never occur as op is pre-assigned a different value.
>
>
Applied, thanks!
[1/1] RDMA/erdma: Fix opcode conditional check
https://git.kernel.org/rdma/rdma/c/c57c76498a895a
Best regards,
--
Leon Romanovsky <leon@kernel.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2024-12-19 4:39 [PATCH-next] RDMA/erdma: Fix opcode conditional check Advait Dhamorikar
2024-12-19 5:40 ` Cheng Xu
2024-12-19 12:16 ` Leon Romanovsky
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