diff options
| author | Weston Andros Adamson <dros@netapp.com> | 2012-02-16 11:17:05 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-29 16:30:56 -0800 |
| commit | 8ed3fe820fe9cf267d39d86cb76e4064cdf82da3 (patch) | |
| tree | 79408a32cb203cfd57b7a2c21ee314426fcf3c23 | |
| parent | 0cea513e395f2a2d4dd650eeae8a1c08a7425296 (diff) | |
NFSv4: fix server_scope memory leak
commit abe9a6d57b4544ac208401f9c0a4262814db2be4 upstream.
server_scope would never be freed if nfs4_check_cl_exchange_flags() returned
non-zero
Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 2ee398a5d31b..e52703080c6d 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4876,8 +4876,10 @@ 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) @@ -4894,12 +4896,13 @@ 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; } |