From: Erez Zadok <ezk@cs.sunysb.edu>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
viro@ftp.linux.org.uk, hch@infradead.org,
Erez Zadok <ezk@cs.sunysb.edu>
Subject: [PATCH 4/4] Unionfs: ensure we have lower dentries in d_iput
Date: Wed, 9 Jan 2008 21:16:32 -0500 [thread overview]
Message-ID: <11999313941523-git-send-email-ezk@cs.sunysb.edu> (raw)
In-Reply-To: <1199931392670-git-send-email-ezk@cs.sunysb.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
---
fs/unionfs/dentry.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/fs/unionfs/dentry.c b/fs/unionfs/dentry.c
index d969640..cd15243 100644
--- a/fs/unionfs/dentry.c
+++ b/fs/unionfs/dentry.c
@@ -507,9 +507,10 @@ static void unionfs_d_iput(struct dentry *dentry, struct inode *inode)
{
int bindex, rc;
+ BUG_ON(!dentry);
unionfs_read_lock(dentry->d_sb, UNIONFS_SMUTEX_CHILD);
- if (dbstart(dentry) < 0)
+ if (!UNIONFS_D(dentry) || dbstart(dentry) < 0)
goto drop_lower_inodes;
for (bindex = dbstart(dentry); bindex <= dbend(dentry); bindex++) {
if (unionfs_lower_mnt_idx(dentry, bindex)) {
--
1.5.2.2
prev parent reply other threads:[~2008-01-10 2:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-10 2:16 [GIT PULL -mm] 0/4 Unionfs updates/fixes/cleanups Erez Zadok
2008-01-10 2:16 ` [PATCH 1/4] Unionfs: merged several printk KERN_CONT together into one pr_debug Erez Zadok
2008-01-10 2:16 ` [PATCH 2/4] Unionfs: mmap fixes Erez Zadok
2008-01-10 2:16 ` [PATCH 3/4] Unionfs: branch-management related locking fixes Erez Zadok
2008-01-10 2:16 ` Erez Zadok [this message]
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