4 files changed, 29 insertions, 14 deletions

diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index b13f32c8aeee..216b1a364ccb 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -150,7 +150,8 @@ static inline int autofs4_ispending(struct dentry *dentry)
 
 static inline void autofs4_copy_atime(struct file *src, struct file *dst)
 {
-	dst->f_dentry->d_inode->i_atime = src->f_dentry->d_inode->i_atime;
+	dst->f_path.dentry->d_inode->i_atime =
+		src->f_path.dentry->d_inode->i_atime;
 	return;
 }
 
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 51fd8595bf85..9c48250fd726 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -99,6 +99,9 @@ static void autofs4_force_release(struct autofs_sb_info *sbi)
 	struct dentry *this_parent = sbi->sb->s_root;
 	struct list_head *next;
 
+	if (!sbi->sb->s_root)
+		return;
+
 	spin_lock(&dcache_lock);
 repeat:
 	next = this_parent->d_subdirs.next;
@@ -146,6 +149,15 @@ void autofs4_kill_sb(struct super_block *sb)
 {
 	struct autofs_sb_info *sbi = autofs4_sbi(sb);
 
+	/*
+	 * In the event of a failure in get_sb_nodev the superblock
+	 * info is not present so nothing else has been setup, so
+	 * just call kill_anon_super when we are called from
+	 * deactivate_super.
+	 */
+	if (!sbi)
+		goto out_kill_sb;
+
 	sb->s_fs_info = NULL;
 
 	if ( !sbi->catatonic )
@@ -156,6 +168,7 @@ void autofs4_kill_sb(struct super_block *sb)
 
 	kfree(sbi);
 
+out_kill_sb:
 	DPRINTK("shutting down");
 	kill_anon_super(sb);
 }
@@ -310,7 +323,8 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 	s->s_fs_info = sbi;
 	sbi->magic = AUTOFS_SBI_MAGIC;
 	sbi->pipefd = -1;
-	sbi->catatonic = 0;
+	sbi->pipe = NULL;
+	sbi->catatonic = 1;
 	sbi->exp_timeout = 0;
 	sbi->oz_pgrp = process_group(current);
 	sbi->sb = s;
@@ -388,6 +402,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 		goto fail_fput;
 	sbi->pipe = pipe;
 	sbi->pipefd = pipefd;
+	sbi->catatonic = 0;
 
 	/*
 	 * Success! Install the root dentry now to indicate completion.
@@ -412,6 +427,7 @@ fail_ino:
 	kfree(ino);
 fail_free:
 	kfree(sbi);
+	s->s_fs_info = NULL;
 fail_unlock:
 	return -EINVAL;
 }
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index c1493524da4d..8d05b9f7578d 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -74,7 +74,7 @@ struct inode_operations autofs4_dir_inode_operations = {
 static int autofs4_root_readdir(struct file *file, void *dirent,
 				filldir_t filldir)
 {
-	struct autofs_sb_info *sbi = autofs4_sbi(file->f_dentry->d_sb);
+	struct autofs_sb_info *sbi = autofs4_sbi(file->f_path.dentry->d_sb);
 	int oz_mode = autofs4_oz_mode(sbi);
 
 	DPRINTK("called, filp->f_pos = %lld", file->f_pos);
@@ -95,8 +95,8 @@ static int autofs4_root_readdir(struct file *file, void *dirent,
 
 static int autofs4_dir_open(struct inode *inode, struct file *file)
 {
-	struct dentry *dentry = file->f_dentry;
-	struct vfsmount *mnt = file->f_vfsmnt;
+	struct dentry *dentry = file->f_path.dentry;
+	struct vfsmount *mnt = file->f_path.mnt;
 	struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
 	struct dentry *cursor;
 	int status;
@@ -172,7 +172,7 @@ out:
 
 static int autofs4_dir_close(struct inode *inode, struct file *file)
 {
-	struct dentry *dentry = file->f_dentry;
+	struct dentry *dentry = file->f_path.dentry;
 	struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
 	struct dentry *cursor = file->private_data;
 	int status = 0;
@@ -204,7 +204,7 @@ out:
 
 static int autofs4_dir_readdir(struct file *file, void *dirent, filldir_t filldir)
 {
-	struct dentry *dentry = file->f_dentry;
+	struct dentry *dentry = file->f_path.dentry;
 	struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
 	struct dentry *cursor = file->private_data;
 	int status;
@@ -858,14 +858,14 @@ static int autofs4_root_ioctl(struct inode *inode, struct file *filp,
 		return autofs4_ask_reghost(sbi, p);
 
 	case AUTOFS_IOC_ASKUMOUNT:
-		return autofs4_ask_umount(filp->f_vfsmnt, p);
+		return autofs4_ask_umount(filp->f_path.mnt, p);
 
 	/* return a single thing to expire */
 	case AUTOFS_IOC_EXPIRE:
-		return autofs4_expire_run(inode->i_sb,filp->f_vfsmnt,sbi, p);
+		return autofs4_expire_run(inode->i_sb,filp->f_path.mnt,sbi, p);
 	/* same as above, but can send multiple expires through pipe */
 	case AUTOFS_IOC_EXPIRE_MULTI:
-		return autofs4_expire_multi(inode->i_sb,filp->f_vfsmnt,sbi, p);
+		return autofs4_expire_multi(inode->i_sb,filp->f_path.mnt,sbi, p);
 
 	default:
 		return -ENOSYS;
diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
index c0a6c8d445c7..1e4a539f4417 100644
--- a/fs/autofs4/waitq.c
+++ b/fs/autofs4/waitq.c
@@ -41,10 +41,8 @@ void autofs4_catatonic_mode(struct autofs_sb_info *sbi)
 		wake_up_interruptible(&wq->queue);
 		wq = nwq;
 	}
-	if (sbi->pipe) {
-		fput(sbi->pipe);	/* Close the pipe */
-		sbi->pipe = NULL;
-	}
+	fput(sbi->pipe);	/* Close the pipe */
+	sbi->pipe = NULL;
 }
 
 static int autofs4_write(struct file *file, const void *addr, int bytes)