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| author | Ian Kent <raven@themaw.net> | 2011-03-25 01:51:14 +0800 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-03-24 14:54:34 -0400 |
| commit | f9398c233e3201874395eea8558eb616fb198648 (patch) | |
| tree | adf805206a5bba08a44878dba61256a9dca6120d /fs/autofs4 | |
| parent | 3c3199852905ceb90a70e98777e71d369a5f0823 (diff) | |
| download | kernel_samsung_smdk4412-f9398c233e3201874395eea8558eb616fb198648.tar.gz kernel_samsung_smdk4412-f9398c233e3201874395eea8558eb616fb198648.tar.bz2 kernel_samsung_smdk4412-f9398c233e3201874395eea8558eb616fb198648.zip | |
autofs4 - fix dentry leak in autofs4_expire_direct()
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>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/autofs4')
| -rw-r--r-- | 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 c896dd6c1ea..c403abcc725 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); |