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Subject[PATCH 4/6] Unionfs: check integrity only if validated dentry successfully
Date
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Acked-by: Josef Sipek <jsipek@fsl.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 91f9780..9e0742d 100644
--- a/fs/unionfs/dentry.c
+++ b/fs/unionfs/dentry.c
@@ -418,7 +418,8 @@ static int unionfs_d_revalidate(struct dentry *dentry, struct nameidata *nd)
unionfs_lock_dentry(dentry);
err = __unionfs_d_revalidate_chain(dentry, nd, false);
unionfs_unlock_dentry(dentry);
- unionfs_check_dentry(dentry);
+ if (err > 0) /* true==1: dentry is valid */
+ unionfs_check_dentry(dentry);

unionfs_read_unlock(dentry->d_sb);

--
1.5.2.2
-
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