diff options
| author | Weston Andros Adamson <dros@netapp.com> | 2012-02-18 00:20:25 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-02 02:10:21 +0400 |
| commit | 9edbd953f8aeabf49b89c7c29ff9e31560775b27 (patch) | |
| tree | aa33f44b9935c3b303d1448f89dae52ddc8705ea | |
| parent | db8ac8ba871ae7b97118cfb2913b4986867f09a7 (diff) | |
| download | linux-9edbd953f8aeabf49b89c7c29ff9e31560775b27.tar.xz | |
NFSv4: fix server_scope memory leak
server_scope would never be freed if nfs4_check_cl_exchange_flags() returned
non-zero
Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/nfs4proc.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 87c584dd88b1..20c3bb06763a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4945,8 +4945,10 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred) clp->cl_rpcclient->cl_auth->au_flavor); res.server_scope = kzalloc(sizeof(struct server_scope), GFP_KERNEL); - if (unlikely(!res.server_scope)) - return -ENOMEM; + if (unlikely(!res.server_scope)) { + status = -ENOMEM; + goto out; + } status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (!status) @@ -4963,12 +4965,13 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred) clp->server_scope = NULL; } - if (!clp->server_scope) + if (!clp->server_scope) { clp->server_scope = res.server_scope; - else - kfree(res.server_scope); + goto out; + } } - + kfree(res.server_scope); +out: dprintk("<-- %s status= %d\n", __func__, status); return status; } |