kasan: drop CONFIG_KASAN_GENERIC check from kasan_init_cache_meta

As kasan_init_cache_meta() is only defined for the Generic mode, it does
not require the CONFIG_KASAN_GENERIC check.

Link: https://lkml.kernel.org/r/211f8f2b213aa91e9148ca63342990b491c4917a.1662411799.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Peter Collingbourne <pcc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c
index 73aea78..5125fad 100644 (file)
--- a/mm/kasan/generic.c
+++ b/mm/kasan/generic.c
@@ -367,12 +367,6 @@ void kasan_init_cache_meta(struct kmem_cache *cache, unsigned int *size)
                /* Continue, since free meta might still fit. */
        }
 
-       /* Only the generic mode uses free meta or flexible redzones. */
-       if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
-               cache->kasan_info.free_meta_offset = KASAN_NO_FREE_META;
-               return;
-       }
-
        /*
         * Add free meta into redzone when it's not possible to store
         * it in the object. This is the case when: