linux-kernel - [PATCH] nfs: Remove empty if statement from nfs3_prepare_get

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]

Date:   Wed, 30 Nov 2022 16:12:31 +0100
From:   Uros Bizjak <ubizjak@...il.com>
To:     linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Uros Bizjak <ubizjak@...il.com>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna@...nel.org>
Subject: [PATCH] nfs: Remove empty if statement from nfs3_prepare_get_acl

Remove empty if statement from nfs3_prepare_get_acl and
update comment to follow the one from the referred
fs/posix_acl.c:get_acl().

No functional change intended.

Cc: Trond Myklebust <trond.myklebust@...merspace.com>
Cc: Anna Schumaker <anna@...nel.org>
Signed-off-by: Uros Bizjak <ubizjak@...il.com>
---
 fs/nfs/nfs3acl.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index 93de0b58647a..957f954d3805 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -21,9 +21,8 @@ static void nfs3_prepare_get_acl(struct posix_acl **p)
 {
 	struct posix_acl *sentinel = uncached_acl_sentinel(current);
 
-	if (cmpxchg(p, ACL_NOT_CACHED, sentinel) != ACL_NOT_CACHED) {
-		/* Not the first reader or sentinel already in place. */
-	}
+	/* If the ACL isn't being read yet, set our sentinel. */
+	cmpxchg(p, ACL_NOT_CACHED, sentinel);
 }
 
 static void nfs3_complete_get_acl(struct posix_acl **p, struct posix_acl *acl)
-- 
2.38.1