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kasan: merge __kasan_report into kasan_report

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Merge __kasan_report() into kasan_report().  The code is simple enough to
be readable without the __kasan_report() helper.

Link: https://lkml.kernel.org/r/c8a125497ef82f7042b3795918dffb81a85a878e.1646237226.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrey Konovalov 2022-03-24 18:12:52 -07:00 committed by Linus Torvalds
parent b3bb1d700e
commit be8631a176
1 changed files with 15 additions and 21 deletions
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36
mm/kasan/report.c
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@ -435,37 +435,31 @@ static void print_report(struct kasan_access_info *info)
}
}
static void __kasan_report(void *addr, size_t size, bool is_write,
unsigned long ip)
{
struct kasan_access_info info;
unsigned long flags;
start_report(&flags, true);
info.access_addr = addr;
info.first_bad_addr = kasan_find_first_bad_addr(addr, size);
info.access_size = size;
info.is_write = is_write;
info.ip = ip;
print_report(&info);
end_report(&flags, addr);
}
bool kasan_report(unsigned long addr, size_t size, bool is_write,
unsigned long ip)
{
unsigned long ua_flags = user_access_save();
bool ret = true;
void *ptr = (void *)addr;
unsigned long ua_flags = user_access_save();
unsigned long irq_flags;
struct kasan_access_info info;
if (unlikely(!report_enabled())) {
ret = false;
goto out;
}
__kasan_report((void *)addr, size, is_write, ip);
start_report(&irq_flags, true);
info.access_addr = ptr;
info.first_bad_addr = kasan_find_first_bad_addr(ptr, size);
info.access_size = size;
info.is_write = is_write;
info.ip = ip;
print_report(&info);
end_report(&irq_flags, ptr);
out:
user_access_restore(ua_flags);