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authorAndrey Konovalov <andreyknvl@google.com>2020-12-22 12:02:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-22 12:55:09 -0800
commitbffe690708c8b4fdb8f0bff8ff22b347fc6c709a (patch)
tree5ae295331980329afd8b58be70a188e473639fdd /mm
parentd8dd397120be14a80220c78dad2bbcb9b0768959 (diff)
kasan: open-code kasan_unpoison_slab
There's the external annotation kasan_unpoison_slab() that is currently defined as static inline and uses kasan_unpoison_range(). Open-code this function in mempool.c. Otherwise with an upcoming change this function will result in an unnecessary function call. Link: https://lkml.kernel.org/r/131a6694a978a9a8b150187e539eecc8bcbf759b.1606162397.git.andreyknvl@google.com Link: https://linux-review.googlesource.com/id/Ia7c8b659f79209935cbaab3913bf7f082cc43a0e Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Marco Elver <elver@google.com> Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Kevin Brodsky <kevin.brodsky@arm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/mempool.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mempool.c b/mm/mempool.c
index f473cdddaff0..583a9865b181 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -112,7 +112,7 @@ static __always_inline void kasan_poison_element(mempool_t *pool, void *element)
static void kasan_unpoison_element(mempool_t *pool, void *element)
{
if (pool->alloc == mempool_alloc_slab || pool->alloc == mempool_kmalloc)
- kasan_unpoison_slab(element);
+ kasan_unpoison_range(element, __ksize(element));
else if (pool->alloc == mempool_alloc_pages)
kasan_alloc_pages(element, (unsigned long)pool->pool_data);
}