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Subject[PATCH 3/4] autofs4 - fix dentry leak in autofs4_expire_direct()
Date
There is a missing dput() when returning from autofs4_expire_direct()
when we see that the dentry is already a pending mount.

Signed-off-by: Ian Kent <raven@themaw.net>
---

fs/autofs4/expire.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index c896dd6..c403abc 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -290,10 +290,8 @@ struct dentry *autofs4_expire_direct(struct super_block *sb,
spin_lock(&sbi->fs_lock);
ino = autofs4_dentry_ino(root);
/* No point expiring a pending mount */
- if (ino->flags & AUTOFS_INF_PENDING) {
- spin_unlock(&sbi->fs_lock);
- return NULL;
- }
+ if (ino->flags & AUTOFS_INF_PENDING)
+ goto out;
if (!autofs4_direct_busy(mnt, root, timeout, do_now)) {
struct autofs_info *ino = autofs4_dentry_ino(root);
ino->flags |= AUTOFS_INF_EXPIRING;
@@ -301,6 +299,7 @@ struct dentry *autofs4_expire_direct(struct super_block *sb,
spin_unlock(&sbi->fs_lock);
return root;
}
+out:
spin_unlock(&sbi->fs_lock);
dput(root);



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