From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Subject: mm: kasan: use is_kernel() helper Directly use is_kernel() helper in kernel_or_module_addr(). Link: https://lkml.kernel.org/r/20210930071143.63410-8-wangkefeng.wang@xxxxxxxxxx Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx> Reviewed-by: Andrey Konovalov <andreyknvl@xxxxxxxxx> Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx> Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Alexei Starovoitov <ast@xxxxxxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx> Cc: Matt Turner <mattst88@xxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Michal Simek <monstr@xxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Petr Mladek <pmladek@xxxxxxxx> Cc: Richard Henderson <rth@xxxxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/kasan/report.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/kasan/report.c~mm-kasan-use-is_kernel-helper +++ a/mm/kasan/report.c @@ -226,7 +226,7 @@ static void describe_object(struct kmem_ static inline bool kernel_or_module_addr(const void *addr) { - if (addr >= (void *)_stext && addr < (void *)_end) + if (is_kernel((unsigned long)addr)) return true; if (is_module_address((unsigned long)addr)) return true; _
