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NFSv4: Fix issues in nfs4_discover_server_trunking

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- Ensure that we exit with ENOENT if the call to ops->get_clid_cred()
  fails.
- Handle the case where ops->detect_trunking() exits with an
  unexpected error, and return EIO.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2013-04-05 13:22:50 -04:00
parent 23631227a6
commit ea33e6c3e7
1 changed files with 6 additions and 1 deletions
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7
fs/nfs/nfs4state.c
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@ -1876,8 +1876,8 @@ int nfs4_discover_server_trunking(struct nfs_client *clp,
i = 0;
mutex_lock(&nfs_clid_init_mutex);
status = -ENOENT;
again:
status = -ENOENT;
cred = ops->get_clid_cred(clp);
if (cred == NULL)
goto out_unlock;
@ -1916,6 +1916,11 @@ int nfs4_discover_server_trunking(struct nfs_client *clp,
case -NFS4ERR_NOT_SAME: /* FixMe: implement recovery
* in nfs4_exchange_id */
status = -EKEYEXPIRED;
break;
default:
pr_warn("NFS: %s unhandled error %d. Exiting with error EIO\n",
__func__, status);
status = -EIO;
}
out_unlock: