diff options
| author | Andrey Konovalov <andreyknvl@google.com> | 2022-09-05 23:05:37 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:03:00 -0700 |
| commit | 2c9fb1fd1dd0b17cf8f48935a9c3ecea066f10e8 (patch) | |
| tree | 9a8b7ed400de2c7dca709af5ceec08b198f8fb15 /mm/kasan | |
| parent | 9ef08d265e3f02b3266a46f684de5741724bd7f8 (diff) | |
kasan: use virt_addr_valid in kasan_addr_to_page/slab
Instead of open-coding the validity checks for addr in
kasan_addr_to_page/slab(), use the virt_addr_valid() helper.
Link: https://lkml.kernel.org/r/c22a4850d74d7430f8a6c08216fd55c2860a2b9e.1662411799.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Peter Collingbourne <pcc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kasan')
| -rw-r--r-- | mm/kasan/report.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 83f420a28c0b..570f9419b90c 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -208,14 +208,14 @@ static void print_track(struct kasan_track *track, const char *prefix) struct page *kasan_addr_to_page(const void *addr) { - if ((addr >= (void *)PAGE_OFFSET) && (addr < high_memory)) + if (virt_addr_valid(addr)) return virt_to_head_page(addr); return NULL; } struct slab *kasan_addr_to_slab(const void *addr) { - if ((addr >= (void *)PAGE_OFFSET) && (addr < high_memory)) + if (virt_addr_valid(addr)) return virt_to_slab(addr); return NULL; } |