linux-kernel - [PATCH] orangefs: reverse sense of revalidate is-inode-stale test

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20180126214925.77392-1-martin@omnibond.com>
Date:   Fri, 26 Jan 2018 16:49:25 -0500
From:   Martin Brandenburg <martin@...ibond.com>
To:     hubcap@...ibond.com, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, devel@...ts.orangefs.org
Cc:     Martin Brandenburg <martin@...ibond.com>
Subject: [PATCH] orangefs: reverse sense of revalidate is-inode-stale test

It was wrong.

Signed-off-by: Martin Brandenburg <martin@...ibond.com>
---
 fs/orangefs/dcache.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/fs/orangefs/dcache.c b/fs/orangefs/dcache.c
index ae782df5c063..c7aa5c923477 100644
--- a/fs/orangefs/dcache.c
+++ b/fs/orangefs/dcache.c
@@ -118,8 +118,12 @@ static int orangefs_d_revalidate(struct dentry *dentry, unsigned int flags)
 		return 0;
 
 	/* We do not need to continue with negative dentries. */
-	if (!dentry->d_inode)
-		goto out;
+	if (!dentry->d_inode) {
+		gossip_debug(GOSSIP_DCACHE_DEBUG,
+		    "%s: negative dentry or positive dentry and inode valid.\n",
+		    __func__);
+		return 1;
+	}
 
 	/* Now we must perform a getattr to validate the inode contents. */
 
@@ -129,14 +133,7 @@ static int orangefs_d_revalidate(struct dentry *dentry, unsigned int flags)
 		    __FILE__, __func__, __LINE__);
 		return 0;
 	}
-	if (ret == 0)
-		return 0;
-
-out:
-	gossip_debug(GOSSIP_DCACHE_DEBUG,
-	    "%s: negative dentry or positive dentry and inode valid.\n",
-	    __func__);
-	return 1;
+	return !ret;
 }
 
 const struct dentry_operations orangefs_dentry_operations = {
-- 
2.14.2