Re: [PATCH] RDMA/rxe: Fix an error handling path in rxe_bind_mw()

From: Zhu Yanjun
Date: Mon Jul 17 2023 - 19:35:37 EST


On Tue, Jul 18, 2023 at 3:55 AM Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> All errors go to the error handling path, except this one. Be consistent
> and also branch to it.
>
> Fixes: 02ed253770fb ("RDMA/rxe: Introduce rxe access supported flags")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> /!\ Speculative /!\
>
> This patch is based on analysis of the surrounding code and should be
> reviewed with care !
>
> /!\ Speculative /!\
> ---
> drivers/infiniband/sw/rxe/rxe_mw.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/sw/rxe/rxe_mw.c b/drivers/infiniband/sw/rxe/rxe_mw.c
> index d8a43d87de93..d9312b5c9d20 100644
> --- a/drivers/infiniband/sw/rxe/rxe_mw.c
> +++ b/drivers/infiniband/sw/rxe/rxe_mw.c
> @@ -199,7 +199,8 @@ int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe)
>
> if (access & ~RXE_ACCESS_SUPPORTED_MW) {
> rxe_err_mw(mw, "access %#x not supported", access);

https://www.kernel.org/doc/Documentation/core-api/printk-formats.rst
What is "%#x"? No such definition in the above link.
Except that, I am fine with it.

Acked-by: Zhu Yanjun <zyjzyj2000@xxxxxxxxx>
Zhu Yanjun

> - return -EOPNOTSUPP;
> + ret = -EOPNOTSUPP;
> + goto err_drop_mr;
> }
>
> spin_lock_bh(&mw->lock);
> --
> 2.34.1
>