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path: root/fs/nfs/super.c
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Diffstat (limited to 'fs/nfs/super.c')
-rw-r--r--fs/nfs/super.c43
1 files changed, 19 insertions, 24 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index e463967aafb..3dfa4f112c0 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -908,10 +908,24 @@ static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(unsigned int ve
data->auth_flavor_len = 1;
data->version = version;
data->minorversion = 0;
+ security_init_mnt_opts(&data->lsm_opts);
}
return data;
}
+static void nfs_free_parsed_mount_data(struct nfs_parsed_mount_data *data)
+{
+ if (data) {
+ kfree(data->client_address);
+ kfree(data->mount_server.hostname);
+ kfree(data->nfs_server.export_path);
+ kfree(data->nfs_server.hostname);
+ kfree(data->fscache_uniq);
+ security_free_mnt_opts(&data->lsm_opts);
+ kfree(data);
+ }
+}
+
/*
* Sanity-check a server address provided by the mount command.
*
@@ -2219,9 +2233,7 @@ static struct dentry *nfs_fs_mount(struct file_system_type *fs_type,
data = nfs_alloc_parsed_mount_data(NFS_DEFAULT_VERSION);
mntfh = nfs_alloc_fhandle();
if (data == NULL || mntfh == NULL)
- goto out_free_fh;
-
- security_init_mnt_opts(&data->lsm_opts);
+ goto out;
/* Validate the mount data */
error = nfs_validate_mount_data(raw_data, data, mntfh, dev_name);
@@ -2233,8 +2245,6 @@ static struct dentry *nfs_fs_mount(struct file_system_type *fs_type,
#ifdef CONFIG_NFS_V4
if (data->version == 4) {
mntroot = nfs4_try_mount(flags, dev_name, data);
- kfree(data->client_address);
- kfree(data->nfs_server.export_path);
goto out;
}
#endif /* CONFIG_NFS_V4 */
@@ -2289,13 +2299,8 @@ static struct dentry *nfs_fs_mount(struct file_system_type *fs_type,
s->s_flags |= MS_ACTIVE;
out:
- kfree(data->nfs_server.hostname);
- kfree(data->mount_server.hostname);
- kfree(data->fscache_uniq);
- security_free_mnt_opts(&data->lsm_opts);
-out_free_fh:
+ nfs_free_parsed_mount_data(data);
nfs_free_fhandle(mntfh);
- kfree(data);
return mntroot;
out_err_nosb:
@@ -2622,9 +2627,7 @@ nfs4_remote_mount(struct file_system_type *fs_type, int flags,
mntfh = nfs_alloc_fhandle();
if (data == NULL || mntfh == NULL)
- goto out_free_fh;
-
- security_init_mnt_opts(&data->lsm_opts);
+ goto out;
/* Get a volume representation */
server = nfs4_create_server(data, mntfh);
@@ -2676,13 +2679,10 @@ nfs4_remote_mount(struct file_system_type *fs_type, int flags,
s->s_flags |= MS_ACTIVE;
- security_free_mnt_opts(&data->lsm_opts);
nfs_free_fhandle(mntfh);
return mntroot;
out:
- security_free_mnt_opts(&data->lsm_opts);
-out_free_fh:
nfs_free_fhandle(mntfh);
return ERR_PTR(error);
@@ -2839,7 +2839,7 @@ static struct dentry *nfs4_mount(struct file_system_type *fs_type,
data = nfs_alloc_parsed_mount_data(4);
if (data == NULL)
- goto out_free_data;
+ goto out;
/* Validate the mount data */
error = nfs4_validate_mount_data(raw_data, data, dev_name);
@@ -2853,12 +2853,7 @@ static struct dentry *nfs4_mount(struct file_system_type *fs_type,
error = PTR_ERR(res);
out:
- kfree(data->client_address);
- kfree(data->nfs_server.export_path);
- kfree(data->nfs_server.hostname);
- kfree(data->fscache_uniq);
-out_free_data:
- kfree(data);
+ nfs_free_parsed_mount_data(data);
dprintk("<-- nfs4_mount() = %d%s\n", error,
error != 0 ? " [error]" : "");
return res;