kasan: clean up is_kfence_address checks

[linux-2.6-microblaze.git] / mm / kasan / shadow.c

diff --git a/mm/kasan/shadow.c b/mm/kasan/shadow.c
index 0154d20..3062530 100644 (file)
--- a/mm/kasan/shadow.c
+++ b/mm/kasan/shadow.c
@@ -135,10 +135,6 @@ void kasan_poison(const void *addr, size_t size, u8 value, bool init)
         */
        addr = kasan_reset_tag(addr);
 
-       /* Skip KFENCE memory if called explicitly outside of sl*b. */
-       if (is_kfence_address(addr))
-               return;
-
        if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
                return;
        if (WARN_ON(size & KASAN_GRANULE_MASK))
@@ -175,14 +171,6 @@ void kasan_unpoison(const void *addr, size_t size, bool init)
         */
        addr = kasan_reset_tag(addr);
 
-       /*
-        * Skip KFENCE memory if called explicitly outside of sl*b. Also note
-        * that calls to ksize(), where size is not a multiple of machine-word
-        * size, would otherwise poison the invalid portion of the word.
-        */
-       if (is_kfence_address(addr))
-               return;
-
        if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
                return;