DLM: fix overflow dlm_cb_seq
authortsutomu.owa@toshiba.co.jp <tsutomu.owa@toshiba.co.jp>
Tue, 12 Sep 2017 09:01:46 +0000 (09:01 +0000)
committerDavid Teigland <teigland@redhat.com>
Mon, 25 Sep 2017 17:45:21 +0000 (12:45 -0500)
commitccbbea04326e061651e0b38eda0792c758ce4f91
tree7bbe3f8cfd76e83f85d0d2ba7ac953c04fef8a22
parent3421fb15be01ff4714fed5a5d6db64849b59a1fd
DLM: fix overflow dlm_cb_seq

dlm_cb_seq is 64 bits. If dlm_cb_seq overflows and returns to 0,
dlm_rem_lkb_callback() will not work properly.

Signed-off-by: Tadashi Miyauchi <miyauchi@toshiba-tops.co.jp>
Signed-off-by: Tsutomu Owa <tsutomu.owa@toshiba.co.jp>
Signed-off-by: David Teigland <teigland@redhat.com>
fs/dlm/ast.c