From: "Yan, Zheng" <[email protected]>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 03974e8177b36d672eb59658f976f03cb77c1129 upstream.

we may corrupt waiting list if a request in the waiting list is kicked.

Signed-off-by: "Yan, Zheng" <[email protected]>
Reviewed-by: Sage Weil <[email protected]>
Signed-off-by: Jiri Slaby <[email protected]>
---
 fs/ceph/mds_client.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 6f1161324f91..3e07f82a3c9d 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1985,6 +1985,7 @@ static void kick_requests(struct ceph_mds_client *mdsc, 
int mds)
                if (req->r_session &&
                    req->r_session->s_mds == mds) {
                        dout(" kicking tid %llu\n", req->r_tid);
+                       list_del_init(&req->r_wait);
                        __do_request(mdsc, req);
                }
        }
-- 
2.6.3

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