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authorAndrey Konovalov <andreyknvl@google.com>2022-03-25 04:12:52 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-25 05:06:49 +0300
commitbe8631a17620ccf3d4fca74a6d6a218737e5b9cc (patch)
tree49556f2a6b8c815ea3adbfebc9893b1bce5971d5 /mm/kasan
parentb3bb1d700e51128e9ff818f76b930403b1ed2c7d (diff)
downloadlinux-be8631a17620ccf3d4fca74a6d6a218737e5b9cc.tar.xz
kasan: merge __kasan_report into kasan_report
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>
Diffstat (limited to 'mm/kasan')
-rw-r--r--mm/kasan/report.c36
1 files changed, 15 insertions, 21 deletions
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 41c7966451e3..56d5ba235542 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -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);