From c2ef47b7f518f5eae5ffed11b8ac754fb263d398 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Sat, 8 Nov 2014 20:15:26 -0500 Subject: [PATCH] NFS: Clean up nfs4_init_callback() nfs4_init_callback() is never invoked for NFS versions other than 4. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker --- fs/nfs/nfs4client.c | 31 ++++++++++++++----------------- 1 file changed, 14 insertions(+), 17 deletions(-) diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index ffdb28d86cf8..5f4b818182f9 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -241,28 +241,25 @@ void nfs4_free_client(struct nfs_client *clp) */ static int nfs4_init_callback(struct nfs_client *clp) { + struct rpc_xprt *xprt; int error; - if (clp->rpc_ops->version == 4) { - struct rpc_xprt *xprt; + xprt = rcu_dereference_raw(clp->cl_rpcclient->cl_xprt); - xprt = rcu_dereference_raw(clp->cl_rpcclient->cl_xprt); - - if (nfs4_has_session(clp)) { - error = xprt_setup_backchannel(xprt, - NFS41_BC_MIN_CALLBACKS); - if (error < 0) - return error; - } - - error = nfs_callback_up(clp->cl_mvops->minor_version, xprt); - if (error < 0) { - dprintk("%s: failed to start callback. Error = %d\n", - __func__, error); + if (nfs4_has_session(clp)) { + error = xprt_setup_backchannel(xprt, NFS41_BC_MIN_CALLBACKS); + if (error < 0) return error; - } - __set_bit(NFS_CS_CALLBACK, &clp->cl_res_state); } + + error = nfs_callback_up(clp->cl_mvops->minor_version, xprt); + if (error < 0) { + dprintk("%s: failed to start callback. Error = %d\n", + __func__, error); + return error; + } + __set_bit(NFS_CS_CALLBACK, &clp->cl_res_state); + return 0; }