diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2019-09-17 23:28:08 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2019-09-17 23:28:08 -0400 |
| commit | c3aed16680cd0c0e5abf1bfc0dc1338e6a41b29f (patch) | |
| tree | 1f5d5d9fd3b01494de6fc9744c958f0cbb283d2c /fs/autofs | |
| parent | 41ca19740a0e772eff1f9ba67293649feb836662 (diff) | |
| download | lwn-c3aed16680cd0c0e5abf1bfc0dc1338e6a41b29f.tar.gz lwn-c3aed16680cd0c0e5abf1bfc0dc1338e6a41b29f.zip | |
autofs_dir_rmdir(): check ino->count for deciding whether it's empty...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/autofs')
| -rw-r--r-- | fs/autofs/root.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/autofs/root.c b/fs/autofs/root.c index 7806b110e79d..ae1d112b6f64 100644 --- a/fs/autofs/root.c +++ b/fs/autofs/root.c @@ -691,11 +691,10 @@ static int autofs_dir_rmdir(struct inode *dir, struct dentry *dentry) if (sbi->flags & AUTOFS_SBI_CATATONIC) return -EACCES; - spin_lock(&sbi->lookup_lock); - if (!simple_empty(dentry)) { - spin_unlock(&sbi->lookup_lock); + if (atomic_read(&ino->count) != 1) return -ENOTEMPTY; - } + + spin_lock(&sbi->lookup_lock); __autofs_add_expiring(dentry); d_drop(dentry); spin_unlock(&sbi->lookup_lock); |