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Check validity of cl_rpcclient in nfs_server_list_show

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As soon as the nfs_client gets created, its cl_rpcclient is set to
ERR_PTR(-EINVAL). The rpc client structure is allocated later. Check
if the client is ready before using the cl_rpcclient pointer.

Signed-off-by: Malahal Naineni <malahal@us.ibm.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Malahal Naineni 2011-09-20 17:27:14 -07:00 committed by Trond Myklebust
parent b6ee8cd264
commit 940aab4902
1 changed files with 4 additions and 0 deletions
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4
fs/nfs/client.c
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@ -1868,6 +1868,10 @@ static int nfs_server_list_show(struct seq_file *m, void *v)
/* display one transport per line on subsequent lines */
clp = list_entry(v, struct nfs_client, cl_share_link);
/* Check if the client is initialized */
if (clp->cl_cons_state != NFS_CS_READY)
return 0;
seq_printf(m, "v%u %s %s %3d %s\n",
clp->rpc_ops->version,
rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_HEX_ADDR),