diff options
Diffstat (limited to 'fs/autofs4')
| -rw-r--r-- | fs/autofs4/inode.c | 17 | ||||
| -rw-r--r-- | fs/autofs4/waitq.c | 6 |
2 files changed, 18 insertions, 5 deletions
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 51fd8595bf8..ce7c0f1dd52 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; } diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c index c0a6c8d445c..1e4a539f441 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) |