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-rw-r--r--mm/kasan/common.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 2754ce0c8334..b71dfe7c5059 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -64,18 +64,12 @@ void kasan_unpoison_range(const void *address, size_t size)
}
#if CONFIG_KASAN_STACK
-static void __kasan_unpoison_stack(struct task_struct *task, const void *sp)
-{
- void *base = task_stack_page(task);
- size_t size = sp - base;
-
- unpoison_range(base, size);
-}
-
/* Unpoison the entire stack for a task. */
void kasan_unpoison_task_stack(struct task_struct *task)
{
- __kasan_unpoison_stack(task, task_stack_page(task) + THREAD_SIZE);
+ void *base = task_stack_page(task);
+
+ unpoison_range(base, THREAD_SIZE);
}
/* Unpoison the stack for the current task beyond a watermark sp value. */