linux-kernel - [PATCH 1/3] kernel/nsproxy: remove unnecessary guard in validate

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

Message-ID: <20250530200305.85319-3-jsavitz@redhat.com>
Date: Fri, 30 May 2025 16:03:04 -0400
From: Joel Savitz <jsavitz@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Joel Savitz <jsavitz@...hat.com>,
	Christian Brauner <brauner@...nel.org>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: [PATCH 1/3] kernel/nsproxy: remove unnecessary guard in validate_nsset()

By the same logic as commit 5caa2d89b7f1 ("kernel/nsproxy: remove
unnecessary guards"), remove the guard around put_pid_ns() in
validate_nsset() as put_pid_ns() already performs the NULL check.

Signed-off-by: Joel Savitz <jsavitz@...hat.com>
---
 kernel/nsproxy.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 5f31fdff8a38..be89e006e6aa 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -481,8 +481,7 @@ static int validate_nsset(struct nsset *nsset, struct pid *pid)
 #endif
 
 out:
-	if (pid_ns)
-		put_pid_ns(pid_ns);
+	put_pid_ns(pid_ns);
 	if (nsp)
 		put_nsproxy(nsp);
 	put_user_ns(user_ns);
-- 
2.45.2