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| author | Trond Myklebust | 2012-03-19 21:17:18 +0100 |
|---|---|---|
| committer | Trond Myklebust | 2012-03-20 18:08:25 +0100 |
| commit | 5ae67c4fee869c9b3c87b727a9ea511b6326b834 (patch) | |
| tree | 68fe22b71462c6e13eff3a6d637b79371c77441e /fs/nfs/nfs4_fs.h | |
| parent | NFS: ncommit count is being double decremented (diff) | |
| download | kernel-qcow2-linux-5ae67c4fee869c9b3c87b727a9ea511b6326b834.tar.gz kernel-qcow2-linux-5ae67c4fee869c9b3c87b727a9ea511b6326b834.tar.xz kernel-qcow2-linux-5ae67c4fee869c9b3c87b727a9ea511b6326b834.zip | |
NFSv4: It is not safe to dereference lsp->ls_state in release_lockowner
It is quite possible for the release_lockowner RPC call to race with the
close RPC call, in which case, we cannot dereference lsp->ls_state in
order to find the nfs_server.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index b47bdb9c1612..97ecc863dd76 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -340,7 +340,7 @@ extern void nfs_increment_lock_seqid(int status, struct nfs_seqid *seqid); extern void nfs_release_seqid(struct nfs_seqid *seqid); extern void nfs_free_seqid(struct nfs_seqid *seqid); -extern void nfs4_free_lock_state(struct nfs4_lock_state *lsp); +extern void nfs4_free_lock_state(struct nfs_server *server, struct nfs4_lock_state *lsp); extern const nfs4_stateid zero_stateid; |