Re: [PATCH] RDMA/rtrs: server: Fix error handling in get_or_create_srv

From: Jinpu Wang
Date: Tue Nov 04 2025 - 01:35:15 EST


On Tue, Nov 4, 2025 at 3:19 AM Ma Ke <make24@xxxxxxxxxxx> wrote:
>
> get_or_create_srv() fails to call put_device() after
> device_initialize() when memory allocation fails. This could cause
> reference count leaks during error handling, preventing proper device
> cleanup and resulting in memory leaks.
>
> Found by code review.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 9cb837480424 ("RDMA/rtrs: server: main functionality")
> Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
lgtm, thx!
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxx>
> ---
> drivers/infiniband/ulp/rtrs/rtrs-srv.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
> index ef4abdea3c2d..9ecc6343455d 100644
> --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
> +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
> @@ -1450,7 +1450,7 @@ static struct rtrs_srv_sess *get_or_create_srv(struct rtrs_srv_ctx *ctx,
> kfree(srv->chunks);
>
> err_free_srv:
> - kfree(srv);
> + put_device(&srv->dev);
> return ERR_PTR(-ENOMEM);
> }
>
> --
> 2.17.1
>