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NFS: Fix port initialisation in nfs_remount() 

The recent changeset 53a0b9c4c9 (NFS: Replace
nfs_parse_ip_address() with rpc_pton()) broke nfs_remount, since the call
to rpc_pton() will zero out the port number in data->nfs_server.address.

This is actually due to a bug in nfs_remount: it should be looking at the
port number in nfs_server.port instead...

This fixes bug
   http://bugzilla.kernel.org/show_bug.cgi?id=14276

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2009-10-06 15:41:22 -04:00
parent f5855fecda
commit bcd2ea17da
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/nfs/super.c
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@ -1846,9 +1846,10 @@ nfs_compare_remount_data(struct nfs_server *nfss,
data->acdirmin != nfss->acdirmin / HZ ||
data->acdirmax != nfss->acdirmax / HZ ||
data->timeo != (10U * nfss->client->cl_timeout->to_initval / HZ) ||
data->nfs_server.port != nfss->port ||
data->nfs_server.addrlen != nfss->nfs_client->cl_addrlen ||
memcmp(&data->nfs_server.address, &nfss->nfs_client->cl_addr,
data->nfs_server.addrlen) != 0)
!rpc_cmp_addr(&data->nfs_server.address,
&nfss->nfs_client->cl_addr))
return -EINVAL;
return 0;
@ -1891,6 +1892,7 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
data->acdirmin = nfss->acdirmin / HZ;
data->acdirmax = nfss->acdirmax / HZ;
data->timeo = 10U * nfss->client->cl_timeout->to_initval / HZ;
data->nfs_server.port = nfss->port;
data->nfs_server.addrlen = nfss->nfs_client->cl_addrlen;
memcpy(&data->nfs_server.address, &nfss->nfs_client->cl_addr,
data->nfs_server.addrlen);