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[87.106.108.193]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48557c7c514sm77865015e9.32.2026.03.15.15.22.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Mar 2026 15:22:52 -0700 (PDT) From: =?UTF-8?q?G=C3=BCnther=20Noack?= To: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= , "John Johansen" Cc: =?UTF-8?q?G=C3=BCnther=20Noack?= , linux-security-module@vger.kernel.org, "Tingmao Wang" , "Justin Suess" , "Samasth Norway Ananda" , "Matthieu Buffet" , "Mikhail Ivanov" , konstantin.meskhidze@huawei.com, "Demi Marie Obenour" , "Alyssa Ross" , "Jann Horn" , "Tahera Fahimi" , Sebastian Andrzej Siewior , "Kuniyuki Iwashima" Subject: [PATCH v6 2/9] landlock: use mem_is_zero() in is_layer_masks_allowed() Date: Sun, 15 Mar 2026 23:21:43 +0100 Message-ID: <20260315222150.121952-3-gnoack3000@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260315222150.121952-1-gnoack3000@gmail.com> References: <20260315222150.121952-1-gnoack3000@gmail.com> Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is equivalent, but expresses the intent a bit clearer. Signed-off-by: Günther Noack --- security/landlock/fs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/landlock/fs.c b/security/landlock/fs.c index a03ec664c78e..97065d51685a 100644 --- a/security/landlock/fs.c +++ b/security/landlock/fs.c @@ -564,7 +564,7 @@ static void test_no_more_access(struct kunit *const test) static bool is_layer_masks_allowed(const struct layer_access_masks *masks) { - return !memchr_inv(&masks->access, 0, sizeof(masks->access)); + return mem_is_zero(&masks->access, sizeof(masks->access)); } /* -- 2.53.0