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NFSv4: Fix a memory leak in nfs4_discover_server_trunking

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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]
This commit is contained in:
Trond Myklebust 2013-04-04 15:55:00 -04:00
parent a58e0be6f6
commit b193d59a48
1 changed files with 7 additions and 1 deletions
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8
fs/nfs/nfs4state.c
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@ -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: