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由 Ilya Dryomov 提交于
Commit 4e752f0a ("rbd: access snapshot context and mapping size safely") moved ceph_get_snap_context() out of rbd_img_request_create() and into rbd_queue_workfn(), adding a ceph_put_snap_context() to the error path in rbd_queue_workfn(). However, rbd_img_request_create() consumes a ref on snapc, so calling ceph_put_snap_context() after a successful rbd_img_request_create() leads to an extra put. Fix it. Cc: stable@vger.kernel.org # 3.18+ Signed-off-by: NIlya Dryomov <idryomov@gmail.com> Reviewed-by: NJosh Durgin <jdurgin@redhat.com>
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