diff options
| -rw-r--r-- | fs/nfs/super.c | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index db636d709f2..5b025b08e76 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -335,6 +335,8 @@ static const struct super_operations nfs_sops = { #ifdef CONFIG_NFS_V4 static void nfs4_validate_mount_flags(struct nfs_parsed_mount_data *); +static int nfs4_validate_mount_data(void *options, + struct nfs_parsed_mount_data *args, const char *dev_name); static struct dentry *nfs4_try_mount(int flags, const char *dev_name, struct nfs_parsed_mount_data *data); static struct dentry *nfs4_mount(struct file_system_type *fs_type, @@ -1857,10 +1859,10 @@ out_path: * + breaking back: trying proto=udp after proto=tcp, v2 after v3, * mountproto=tcp after mountproto=udp, and so on */ -static int nfs_validate_mount_data(void *options, - struct nfs_parsed_mount_data *args, - struct nfs_fh *mntfh, - const char *dev_name) +static int nfs23_validate_mount_data(void *options, + struct nfs_parsed_mount_data *args, + struct nfs_fh *mntfh, + const char *dev_name) { struct nfs_mount_data *data = (struct nfs_mount_data *)options; struct sockaddr *sap = (struct sockaddr *)&args->nfs_server.address; @@ -2009,6 +2011,28 @@ out_invalid_fh: return -EINVAL; } +#ifdef CONFIG_NFS_V4 +static int nfs_validate_mount_data(struct file_system_type *fs_type, + void *options, + struct nfs_parsed_mount_data *args, + struct nfs_fh *mntfh, + const char *dev_name) +{ + if (fs_type == &nfs_fs_type) + return nfs23_validate_mount_data(options, args, mntfh, dev_name); + return nfs4_validate_mount_data(options, args, dev_name); +} +#else +static int nfs_validate_mount_data(struct file_system_type *fs_type, + void *options, + struct nfs_parsed_mount_data *args, + struct nfs_fh *mntfh, + const char *dev_name) +{ + return nfs23_validate_mount_data(options, args, mntfh, dev_name); +} +#endif + static int nfs_validate_text_mount_data(void *options, struct nfs_parsed_mount_data *args, const char *dev_name) @@ -2459,7 +2483,7 @@ static struct dentry *nfs_fs_mount(struct file_system_type *fs_type, goto out; /* Validate the mount data */ - error = nfs_validate_mount_data(raw_data, data, mntfh, dev_name); + error = nfs_validate_mount_data(fs_type, raw_data, data, mntfh, dev_name); if (error == NFS_TEXT_DATA) error = nfs_validate_text_mount_data(raw_data, data, dev_name); if (error < 0) { @@ -2866,7 +2890,7 @@ static struct dentry *nfs4_mount(struct file_system_type *fs_type, goto out; /* Validate the mount data */ - error = nfs4_validate_mount_data(raw_data, data, dev_name); + error = nfs_validate_mount_data(fs_type, raw_data, data, NULL, dev_name); if (error == NFS_TEXT_DATA) error = nfs_validate_text_mount_data(raw_data, data, dev_name); if (error < 0) { |