On Fri, Jul 30, 2021 at 03:18:23PM +0200, Jack Wang wrote:
> From: Md Haris Iqbal <haris.iqbal@xxxxxxxxx>
>
> When all the paths are removed for a session, the addition of the first
> path is like a new session for the storage server.
>
> Hence, for_new_clt has to be set to 1.
>
> Signed-off-by: Md Haris Iqbal <haris.iqbal@xxxxxxxxx>
> Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxx>
> ---
> drivers/infiniband/ulp/rtrs/rtrs-clt.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
> index ece3205531b8..e048bfa12755 100644
> --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
> +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
> @@ -3083,6 +3083,15 @@ int rtrs_clt_create_path_from_sysfs(struct rtrs_clt *clt,
> if (IS_ERR(sess))
> return PTR_ERR(sess);
>
> + if (clt->paths_num == 0) {
Don't you need some protection to read paths_num?
rcu_read_lock() or mutex_lock?
Thanks
