Commit 7d1cca72 authored by Chuck Lever's avatar Chuck Lever Committed by Trond Myklebust

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: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 350c73af
......@@ -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;
......
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