Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  [PATCH] pass struct path * to do_add_mount()
  [PATCH] switch mtd and dm-table to lookup_bdev()
  [patch 3/4] vfs: remove unused nameidata argument of may_create()
  [PATCH] devpts: switch to IDA
  [PATCH 2/2] proc: switch inode number allocation to IDA
  [PATCH 1/2] proc: fix inode number bogorithmetic
  [PATCH] fix bdev leak in block_dev.c do_open()
  [PATCH] fix races and leaks in vfs_quota_on() users
  [PATCH] clean dup2() up a bit
  [PATCH] merge locate_fd() and get_unused_fd()
  [PATCH] ipv4_static_sysctl_init() should be under CONFIG_SYSCTL
  Re: BUG at security/selinux/avc.c:883 (was: Re: linux-next: Tree

1 files changed, 20 insertions, 13 deletions

diff --git a/fs/dquot.c b/fs/dquot.c
index 1346eebe74c..8ec4d6cc763 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -1793,6 +1793,21 @@ static int vfs_quota_on_remount(struct super_block *sb, int type)
 	return ret;
 }
 
+int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
+		      struct path *path)
+{
+	int error = security_quota_on(path->dentry);
+	if (error)
+		return error;
+	/* Quota file not on the same filesystem? */
+	if (path->mnt->mnt_sb != sb)
+		error = -EXDEV;
+	else
+		error = vfs_quota_on_inode(path->dentry->d_inode, type,
+					   format_id);
+	return error;
+}
+
 /* Actual function called from quotactl() */
 int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path,
 		 int remount)
@@ -1804,19 +1819,10 @@ int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path,
 		return vfs_quota_on_remount(sb, type);
 
 	error = path_lookup(path, LOOKUP_FOLLOW, &nd);
-	if (error < 0)
-		return error;
-	error = security_quota_on(nd.path.dentry);
-	if (error)
-		goto out_path;
-	/* Quota file not on the same filesystem? */
-	if (nd.path.mnt->mnt_sb != sb)
-		error = -EXDEV;
-	else
-		error = vfs_quota_on_inode(nd.path.dentry->d_inode, type,
-					   format_id);
-out_path:
-	path_put(&nd.path);
+	if (!error) {
+		error = vfs_quota_on_path(sb, type, format_id, &nd.path);
+		path_put(&nd.path);
+	}
 	return error;
 }
 
@@ -2185,6 +2191,7 @@ EXPORT_SYMBOL(unregister_quota_format);
 EXPORT_SYMBOL(dqstats);
 EXPORT_SYMBOL(dq_data_lock);
 EXPORT_SYMBOL(vfs_quota_on);
+EXPORT_SYMBOL(vfs_quota_on_path);
 EXPORT_SYMBOL(vfs_quota_on_mount);
 EXPORT_SYMBOL(vfs_quota_off);
 EXPORT_SYMBOL(vfs_quota_sync);