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| author | Md Haris Iqbal <haris.iqbal@cloud.ionos.com> | 2020-12-10 11:18:22 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-12-16 14:55:50 -0700 |
| commit | 87019e7d99d707e60e20ea3245a561419d5de5ce (patch) | |
| tree | f3c2ce201f44310ad99ca76b7f89e2bc81ff7b5b /drivers/block/rnbd/rnbd-srv.c | |
| parent | 46067844efdb8275ade705923120fc5391543b53 (diff) | |
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: 786998050cbc ("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>
Diffstat (limited to 'drivers/block/rnbd/rnbd-srv.c')
| -rw-r--r-- | drivers/block/rnbd/rnbd-srv.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c index d1ee72ed8384..066411cce5e2 100644 --- a/drivers/block/rnbd/rnbd-srv.c +++ b/drivers/block/rnbd/rnbd-srv.c @@ -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, |