1 files changed, 16 insertions, 1 deletions

diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 51fd8595bf85..ce7c0f1dd529 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 +149,14 @@ 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 @@ fail_ino:
         kfree(ino);
 fail_free:
         kfree(sbi);
+        s->s_fs_info = NULL;
+        kill_anon_super(s);
 fail_unlock:
         return -EINVAL;
 }