commit 63a08553155e2953a6f2aa6e8366534ebf592996
Author: Erez Zadok <[EMAIL PROTECTED]>
Date: Wed Jan 9 19:15:55 2008 -0500
Unionfs: ensure we have lower dentries in d_iput
Signed-off-by: Erez Zadok <[EMAIL PROTECTED]>
diff --git a/fs/unionfs/dentry.c b/fs/unionfs/dentry.c
index 29ebf0b..77fe637 100644
--- a/fs/unionfs/dentry.c
+++ b/fs/unionfs/dentry.c
@@ -498,9 +498,10 @@ 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)) {
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