Merge branch 'nfs-for-3.3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

* 'nfs-for-3.3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFSv4: Change the default setting of the nfs4_disable_idmapping parameter
  NFSv4: Save the owner/group name string when doing open
  NFS: Remove pNFS bloat from the generic write path
  pnfs-obj: Must return layout on IO error
  pnfs-obj: pNFS errors are communicated on iodata->pnfs_error
  NFS: Cache state owners after files are closed
  NFS: Clean up nfs4_find_state_owners_locked()
  NFSv4: include bitmap in nfsv4 get acl data
  nfs: fix a minor do_div portability issue
  NFSv4.1: cleanup comment and debug printk
  NFSv4.1: change nfs4_free_slot parameters for dynamic slots
  NFSv4.1: cleanup init and reset of session slot tables
  NFSv4.1: fix backchannel slotid off-by-one bug
  nfs: fix regression in handling of context= option in NFSv4
  NFS - fix recent breakage to NFS error handling.
  NFS: Retry mounting NFSROOT
  SUNRPC: Clean up the RPCSEC_GSS service ticket requests

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;