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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-04-04 23:55:00 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-04-06 00:59:15 +0400 |
| commit | b193d59a4863ea670872d76dc99231ddeb598625 (patch) | |
| tree | f6bed05e08eb1a3c8b90b994f51c863d19fce59e /fs/nfs | |
| parent | a58e0be6f6b3eb2079b0b8fedc9df6fa86869f1e (diff) | |
| download | linux-b193d59a4863ea670872d76dc99231ddeb598625.tar.xz | |
NFSv4: Fix a memory leak in nfs4_discover_server_trunking
When we assign a new rpc_client to clp->cl_rpcclient, we need to destroy
the old one.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org [>=3.7]
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs4state.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 6ace365c6334..d41a3518509f 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1886,7 +1886,13 @@ again: status = PTR_ERR(clnt); break; } - clp->cl_rpcclient = clnt; + /* Note: this is safe because we haven't yet marked the + * client as ready, so we are the only user of + * clp->cl_rpcclient + */ + clnt = xchg(&clp->cl_rpcclient, clnt); + rpc_shutdown_client(clnt); + clnt = clp->cl_rpcclient; goto again; case -NFS4ERR_MINOR_VERS_MISMATCH: |