Merge branch 'fix/hda' of git://github.com/tiwai/sound

[pandora-kernel.git] / fs / namei.c

diff --git a/fs/namei.c b/fs/namei.c
index 2826db3..0b3138d 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -721,31 +721,22 @@ static int follow_automount(struct path *path, unsigned flags,
        if (!path->dentry->d_op || !path->dentry->d_op->d_automount)
                return -EREMOTE;
 
-       /* We don't want to mount if someone supplied AT_NO_AUTOMOUNT
-        * and this is the terminal part of the path.
+       /* We don't want to mount if someone's just doing a stat -
+        * unless they're stat'ing a directory and appended a '/' to
+        * the name.
+        *
+        * We do, however, want to mount if someone wants to open or
+        * create a file of any type under the mountpoint, wants to
+        * traverse through the mountpoint or wants to open the
+        * mounted directory.  Also, autofs may mark negative dentries
+        * as being automount points.  These will need the attentions
+        * of the daemon to instantiate them before they can be used.
         */
-       if ((flags & LOOKUP_NO_AUTOMOUNT) && !(flags & LOOKUP_PARENT))
-               return -EISDIR; /* we actually want to stop here */
+       if (!(flags & (LOOKUP_PARENT | LOOKUP_DIRECTORY |
+                    LOOKUP_OPEN | LOOKUP_CREATE | LOOKUP_AUTOMOUNT)) &&
+           path->dentry->d_inode)
+               return -EISDIR;
 
-       /*
-        * We don't want to mount if someone's just doing a stat and they've
-        * set AT_SYMLINK_NOFOLLOW - unless they're stat'ing a directory and
-        * appended a '/' to the name.
-        */
-       if (!(flags & LOOKUP_FOLLOW)) {
-               /* We do, however, want to mount if someone wants to open or
-                * create a file of any type under the mountpoint, wants to
-                * traverse through the mountpoint or wants to open the mounted
-                * directory.
-                * Also, autofs may mark negative dentries as being automount
-                * points.  These will need the attentions of the daemon to
-                * instantiate them before they can be used.
-                */
-               if (!(flags & (LOOKUP_PARENT | LOOKUP_DIRECTORY |
-                            LOOKUP_OPEN | LOOKUP_CREATE)) &&
-                   path->dentry->d_inode)
-                       return -EISDIR;
-       }
        current->total_link_count++;
        if (current->total_link_count >= 40)
                return -ELOOP;
@@ -2619,6 +2610,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
        if (!dir->i_op->rmdir)
                return -EPERM;
 
+       dget(dentry);
        mutex_lock(&dentry->d_inode->i_mutex);
 
        error = -EBUSY;
@@ -2639,6 +2631,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
 
 out:
        mutex_unlock(&dentry->d_inode->i_mutex);
+       dput(dentry);
        if (!error)
                d_delete(dentry);
        return error;
@@ -3028,6 +3021,7 @@ static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
        if (error)
                return error;
 
+       dget(new_dentry);
        if (target)
                mutex_lock(&target->i_mutex);
 
@@ -3048,6 +3042,7 @@ static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
 out:
        if (target)
                mutex_unlock(&target->i_mutex);
+       dput(new_dentry);
        if (!error)
                if (!(old_dir->i_sb->s_type->fs_flags & FS_RENAME_DOES_D_MOVE))
                        d_move(old_dentry,new_dentry);