Re: [PATCH] ARM: kprobes: use BUG_ON where possible

2012-11-09 Thread Jon Medhurst (Tixy)
On Thu, 2012-11-08 at 15:23 -0500, Sasha Levin wrote:
> Just use BUG_ON() instead of constructions such as:
> 
>   if (...)
>   BUG()
> 
> A simplified version of the semantic patch that makes this transformation
> is as follows: (http://coccinelle.lip6.fr/)
> 
> // 
> @@
> expression e;
> @@
> - if (e) BUG();
> + BUG_ON(e);
> // 
> 
> Signed-off-by: Sasha Levin 

I'm not sure that trivial changes like this are worth it, but equally,
they're not worth having a discussion about, so...

Acked-by: Jon Medhurst 

> ---
>  arch/arm/kernel/kprobes-test.c |3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/arch/arm/kernel/kprobes-test.c b/arch/arm/kernel/kprobes-test.c
> index 1862d8f..0fb370d 100644
> --- a/arch/arm/kernel/kprobes-test.c
> +++ b/arch/arm/kernel/kprobes-test.c
> @@ -1212,8 +1212,7 @@ static int register_test_probe(struct test_probe *probe)
>  {
>   int ret;
>  
> - if (probe->registered)
> - BUG();
> + BUG_ON(probe->registered);
>  
>   ret = register_kprobe(>kprobe);
>   if (ret >= 0) {


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH] ARM: kprobes: use BUG_ON where possible

2012-11-09 Thread Jon Medhurst (Tixy)
On Thu, 2012-11-08 at 15:23 -0500, Sasha Levin wrote:
 Just use BUG_ON() instead of constructions such as:
 
   if (...)
   BUG()
 
 A simplified version of the semantic patch that makes this transformation
 is as follows: (http://coccinelle.lip6.fr/)
 
 // smpl
 @@
 expression e;
 @@
 - if (e) BUG();
 + BUG_ON(e);
 // /smpl
 
 Signed-off-by: Sasha Levin sasha.le...@oracle.com

I'm not sure that trivial changes like this are worth it, but equally,
they're not worth having a discussion about, so...

Acked-by: Jon Medhurst t...@linaro.org

 ---
  arch/arm/kernel/kprobes-test.c |3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)
 
 diff --git a/arch/arm/kernel/kprobes-test.c b/arch/arm/kernel/kprobes-test.c
 index 1862d8f..0fb370d 100644
 --- a/arch/arm/kernel/kprobes-test.c
 +++ b/arch/arm/kernel/kprobes-test.c
 @@ -1212,8 +1212,7 @@ static int register_test_probe(struct test_probe *probe)
  {
   int ret;
  
 - if (probe-registered)
 - BUG();
 + BUG_ON(probe-registered);
  
   ret = register_kprobe(probe-kprobe);
   if (ret = 0) {


--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/