Commit f885cde7 authored by Andrey Konovalov's avatar Andrey Konovalov Committed by Vincenzo Frascino
Browse files

kasan: remove __kasan_unpoison_stack



There's no need for __kasan_unpoison_stack() helper, as it's only
currently used in a single place. Removing it also removes unneeded
arithmetic.

No functional changes.

Signed-off-by: default avatarAndrey Konovalov <andreyknvl@google.com>
Reviewed-by: default avatarDmitry Vyukov <dvyukov@google.com>
Link: https://linux-review.googlesource.com/id/Ie5ba549d445292fe629b4a96735e4034957bcc50
parent 871ee6cb
......@@ -59,18 +59,12 @@ void kasan_disable_current(void)
#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
#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;
kasan_unpoison_memory(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);
kasan_unpoison_memory(base, THREAD_SIZE);
}
/* Unpoison the stack for the current task beyond a watermark sp value. */
......
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