diff options
Diffstat (limited to 'fs/dlm')
| -rw-r--r-- | fs/dlm/lock.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index 8cb92046a584..205ec95b347e 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -2186,6 +2186,13 @@ static int validate_unlock_args(struct dlm_lkb *lkb, struct dlm_args *args) goto out; } + /* there's nothing to cancel */ + if (lkb->lkb_status == DLM_LKSTS_GRANTED && + !lkb->lkb_wait_type) { + rv = -EBUSY; + goto out; + } + switch (lkb->lkb_wait_type) { case DLM_MSG_LOOKUP: case DLM_MSG_REQUEST: |