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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-03-20 13:44:41 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-03-20 13:44:41 -0500 |
| commit | 4c060b531006e0711db32a132d6ac7661594b280 (patch) | |
| tree | 899f281dfec3da7e29ede2e76019b3861116714f /fs/lockd/host.c | |
| parent | 26bcbf965f857c710adafd16cf424f043006b5dd (diff) | |
| download | op-kernel-dev-4c060b531006e0711db32a132d6ac7661594b280.zip op-kernel-dev-4c060b531006e0711db32a132d6ac7661594b280.tar.gz | |
lockd: Fix Oopses due to list manipulation errors.
The patch "stop abusing file_lock_list introduces a couple of bugs since
the locks may be copied and need to be removed from the lists when they are
destroyed.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/lockd/host.c')
| -rw-r--r-- | fs/lockd/host.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/lockd/host.c b/fs/lockd/host.c index f456f8e..112ebf8 100644 --- a/fs/lockd/host.c +++ b/fs/lockd/host.c @@ -245,8 +245,12 @@ void nlm_release_host(struct nlm_host *host) { if (host != NULL) { dprintk("lockd: release host %s\n", host->h_name); - atomic_dec(&host->h_count); BUG_ON(atomic_read(&host->h_count) < 0); + if (atomic_dec_and_test(&host->h_count)) { + BUG_ON(!list_empty(&host->h_lockowners)); + BUG_ON(!list_empty(&host->h_granted)); + BUG_ON(!list_empty(&host->h_reclaim)); + } } } @@ -334,7 +338,6 @@ nlm_gc_hosts(void) rpc_destroy_client(host->h_rpcclnt); } } - BUG_ON(!list_empty(&host->h_lockowners)); kfree(host); nrhosts--; } |
