---

yaml
---
r: 40905
b: refs/heads/master
c: ba8df43
h: refs/heads/master
i:
  40903: 427d55c
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6a34b57bec41c95f1e38f700cd9b81324baaffc7
+refs/heads/master: ba8df43c0ee93ec05fc526278a80aaf4cb5ab1fa

trunk/fs/autofs/inode.c

@@ -25,6 +25,14 @@ void autofs_kill_sb(struct super_block *sb)
 	struct autofs_sb_info *sbi = autofs_sbi(sb);
 	unsigned int n;
 
+	/*
+	 * In the event of a failure in get_sb_nodev the superblock
+	 * info is not present so nothing else has been setup, so
+	 * just exit when we are called from deactivate_super.
+	 */
+	if (!sbi)
+		return;
+
 	if ( !sbi->catatonic )
 		autofs_catatonic_mode(sbi); /* Free wait queues, close pipe */
 
@@ -136,7 +144,8 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
 
 	s->s_fs_info = sbi;
 	sbi->magic = AUTOFS_SBI_MAGIC;
-	sbi->catatonic = 0;
+	sbi->pipe = NULL;
+	sbi->catatonic = 1;
 	sbi->exp_timeout = 0;
 	sbi->oz_pgrp = process_group(current);
 	autofs_initialize_hash(&sbi->dirhash);
@@ -180,6 +189,7 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
 	if ( !pipe->f_op || !pipe->f_op->write )
 		goto fail_fput;
 	sbi->pipe = pipe;
+	sbi->catatonic = 0;
 
 	/*
 	 * Success! Install the root dentry now to indicate completion.
@@ -198,6 +208,8 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
 	iput(root_inode);
 fail_free:
 	kfree(sbi);
+	s->s_fs_info = NULL;
+	kill_anon_super(s);
 fail_unlock:
 	return -EINVAL;
 }

trunk/fs/autofs/waitq.c

@@ -41,6 +41,7 @@ void autofs_catatonic_mode(struct autofs_sb_info *sbi)
 		wq = nwq;
 	}
 	fput(sbi->pipe);	/* Close the pipe */
+	sbi->pipe = NULL;
 	autofs_hash_dputall(&sbi->dirhash); /* Remove all dentry pointers */
 }
 

trunk/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 +149,14 @@ 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 exit when we are called from deactivate_super.
+	 */
+	if (!sbi)
+		return;
+
 	sb->s_fs_info = NULL;
 
 	if ( !sbi->catatonic )
@@ -310,7 +321,8 @@ 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 +400,7 @@ 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 +425,8 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 	kfree(ino);
 fail_free:
 	kfree(sbi);
+	s->s_fs_info = NULL;
+	kill_anon_super(s);
 fail_unlock:
 	return -EINVAL;
 }

trunk/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)