Commit 87019e7d authored Dec 10, 2020 by Md Haris Iqbal Committed by Jens Axboe Dec 16, 2020

block/rnbd-srv: Protect dev session sysfs removal



Since the removal of the session sysfs can also be called from the
function destroy_sess, there is a need to protect the call from the
function rnbd_srv_sess_dev_force_close

Fixes: 78699805 ("block/rnbd-srv: close a mapped device from server side.")
Signed-off-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com>
Reviewed-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 46067844

drivers/block/rnbd/rnbd-srv.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -338,9 +338,10 @@ static int rnbd_srv_link_ev(struct rtrs_srv *rtrs,

		void rnbd_srv_sess_dev_force_close(struct rnbd_srv_sess_dev *sess_dev)
		{
		mutex_lock(&sess_dev->sess->lock);
		rnbd_srv_destroy_dev_session_sysfs(sess_dev);
		mutex_unlock(&sess_dev->sess->lock);
		sess_dev->keep_id = true;

		}

		static int process_msg_close(struct rtrs_srv *rtrs,

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