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-rw-r--r--mm/kasan/shadow.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/kasan/shadow.c b/mm/kasan/shadow.c
index 39d0b32ebf70..5a866f6663fc 100644
--- a/mm/kasan/shadow.c
+++ b/mm/kasan/shadow.c
@@ -475,12 +475,14 @@ void kasan_release_vmalloc(unsigned long start, unsigned long end,
}
}
-void __kasan_unpoison_vmalloc(const void *start, unsigned long size)
+void *__kasan_unpoison_vmalloc(const void *start, unsigned long size)
{
if (!is_vmalloc_or_module_addr(start))
- return;
+ return (void *)start;
+ start = set_tag(start, kasan_random_tag());
kasan_unpoison(start, size, false);
+ return (void *)start;
}
/*