landlock: Use mem_is_zero() in is_layer_masks_allowed()

This is equivalent, but expresses the intent a bit clearer.

Signed-off-by: Günther Noack <gnoack3000@gmail.com>
Link: https://lore.kernel.org/r/20260327164838.38231-3-gnoack3000@gmail.com
Signed-off-by: Mickaël Salaün <mic@digikod.net>

diff --git a/security/landlock/fs.c b/security/landlock/fs.c
index a03ec664c78e9be461426e612c4b32bd94a90aa3..97065d51685a916a6bd39466ad87b9dfbafb1242 100644 (file)
--- 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));
 }
 
 /*