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NFS: change NFS mount error return when hostname/pathname too long 

According to the mount(2) man page, the proper error return code for the
mount(2) system call when the special device name or the mounted-on
directory name is too long is ENAMETOOLONG.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2007-08-29 17:59:03 -04:00 committed by Trond Myklebust
parent 350c73af6a
commit 7d1cca7299
1 changed files with 4 additions and 4 deletions
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8
fs/nfs/super.c
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@ -1155,13 +1155,13 @@ static int nfs_validate_mount_data(struct nfs_mount_data **options,
return -EINVAL;
len = c - dev_name;
if (len > sizeof(data->hostname))
return -EINVAL;
return -ENAMETOOLONG;
strncpy(data->hostname, dev_name, len);
args.nfs_server.hostname = data->hostname;
c++;
if (strlen(c) > NFS_MAXPATHLEN)
return -EINVAL;
return -ENAMETOOLONG;
args.nfs_server.export_path = c;
status = nfs_try_mount(&args, mntfh);
@ -1677,7 +1677,7 @@ static int nfs4_validate_mount_data(struct nfs4_mount_data **options,
/* while calculating len, pretend ':' is '\0' */
len = c - dev_name;
if (len > NFS4_MAXNAMLEN)
return -EINVAL;
return -ENAMETOOLONG;
*hostname = kzalloc(len, GFP_KERNEL);
if (*hostname == NULL)
return -ENOMEM;
@ -1686,7 +1686,7 @@ static int nfs4_validate_mount_data(struct nfs4_mount_data **options,
c++; /* step over the ':' */
len = strlen(c);
if (len > NFS4_MAXPATHLEN)
return -EINVAL;
return -ENAMETOOLONG;
*mntpath = kzalloc(len + 1, GFP_KERNEL);
if (*mntpath == NULL)
return -ENOMEM;