diff options
Diffstat (limited to 'include/asm-powerpc/bug.h')
| -rw-r--r-- | include/asm-powerpc/bug.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/asm-powerpc/bug.h b/include/asm-powerpc/bug.h index f44b529e329..978b2c7e84e 100644 --- a/include/asm-powerpc/bug.h +++ b/include/asm-powerpc/bug.h @@ -70,9 +70,10 @@ struct bug_entry *find_bug(unsigned long bugaddr); "i" (__FILE__), "i" (__FUNCTION__)); \ } while (0) -#define WARN_ON(x) do { \ - if (__builtin_constant_p(x)) { \ - if (x) \ +#define WARN_ON(x) ({ \ + typeof(x) __ret_warn_on = (x); \ + if (__builtin_constant_p(__ret_warn_on)) { \ + if (__ret_warn_on) \ __WARN(); \ } else { \ __asm__ __volatile__( \ @@ -80,11 +81,12 @@ struct bug_entry *find_bug(unsigned long bugaddr); ".section __bug_table,\"a\"\n" \ "\t"PPC_LONG" 1b,%1,%2,%3\n" \ ".previous" \ - : : "r" ((long)(x)), \ + : : "r" (__ret_warn_on), \ "i" (__LINE__ + BUG_WARNING_TRAP), \ "i" (__FILE__), "i" (__FUNCTION__)); \ } \ -} while (0) + unlikely(__ret_warn_on); \ +}) #define HAVE_ARCH_BUG #define HAVE_ARCH_BUG_ON |