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Subject[PATCH 23/32] kasan: use kasan_addr_to_slab in print_address_description
Date
From: Andrey Konovalov <andreyknvl@google.com>

Use the kasan_addr_to_slab() helper in print_address_description()
instead of separately invoking PageSlab() and page_slab().

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
mm/kasan/report.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 879f949dc395..1dd6fc8a678f 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -291,12 +291,12 @@ static inline bool init_task_stack_addr(const void *addr)
static void print_address_description(void *addr, u8 tag)
{
struct page *page = kasan_addr_to_page(addr);
+ struct slab *slab = kasan_addr_to_slab(addr);

dump_stack_lvl(KERN_ERR);
pr_err("\n");

- if (page && PageSlab(page)) {
- struct slab *slab = page_slab(page);
+ if (slab) {
struct kmem_cache *cache = slab->slab_cache;
void *object = nearest_obj(cache, slab, addr);

--
2.25.1
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