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* [PATCH] Fixed use of rounddown_pow_of_two in ramoops
@ 2011-11-19 13:32 Marco Stornelli
  2011-11-20  9:30 ` Cong Wang
  2011-11-22  0:06 ` Andrew Morton
  0 siblings, 2 replies; 3+ messages in thread
From: Marco Stornelli @ 2011-11-19 13:32 UTC (permalink / raw)
  To: Linux Kernel, torvalds; +Cc: Andrew Morton

From: Marco Stornelli <marco.stornelli@gmail.com>

The return value of rounddown_pow_of_two wasn't evaluated, so the
operation was a no-op.

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
---
 drivers/char/ramoops.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c
index 7c7f42a1f8..9658116 100644
--- a/drivers/char/ramoops.c
+++ b/drivers/char/ramoops.c
@@ -126,8 +126,8 @@ static int __init ramoops_probe(struct platform_device *pdev)
                goto fail3;
        }

-       rounddown_pow_of_two(pdata->mem_size);
-       rounddown_pow_of_two(pdata->record_size);
+       pdata->mem_size = rounddown_pow_of_two(pdata->mem_size);
+       pdata->record_size = rounddown_pow_of_two(pdata->record_size);

        /* Check for the minimum memory size */
        if (pdata->mem_size < MIN_MEM_SIZE &&

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] Fixed use of rounddown_pow_of_two in ramoops
  2011-11-19 13:32 [PATCH] Fixed use of rounddown_pow_of_two in ramoops Marco Stornelli
@ 2011-11-20  9:30 ` Cong Wang
  2011-11-22  0:06 ` Andrew Morton
  1 sibling, 0 replies; 3+ messages in thread
From: Cong Wang @ 2011-11-20  9:30 UTC (permalink / raw)
  To: Marco Stornelli; +Cc: Linux Kernel, torvalds, Andrew Morton

On Sat, Nov 19, 2011 at 9:32 PM, Marco Stornelli
<marco.stornelli@gmail.com> wrote:
> From: Marco Stornelli <marco.stornelli@gmail.com>
>
> The return value of rounddown_pow_of_two wasn't evaluated, so the
> operation was a no-op.
>
> Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>

Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] Fixed use of rounddown_pow_of_two in ramoops
  2011-11-19 13:32 [PATCH] Fixed use of rounddown_pow_of_two in ramoops Marco Stornelli
  2011-11-20  9:30 ` Cong Wang
@ 2011-11-22  0:06 ` Andrew Morton
  1 sibling, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2011-11-22  0:06 UTC (permalink / raw)
  To: Marco Stornelli; +Cc: Linux Kernel, torvalds

On Sat, 19 Nov 2011 14:32:15 +0100
Marco Stornelli <marco.stornelli@gmail.com> wrote:

> From: Marco Stornelli <marco.stornelli@gmail.com>
> 
> The return value of rounddown_pow_of_two wasn't evaluated, so the
> operation was a no-op.
> 
> Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
> ---
>  drivers/char/ramoops.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c
> index 7c7f42a1f8..9658116 100644
> --- a/drivers/char/ramoops.c
> +++ b/drivers/char/ramoops.c
> @@ -126,8 +126,8 @@ static int __init ramoops_probe(struct platform_device *pdev)
>                 goto fail3;
>         }
> 
> -       rounddown_pow_of_two(pdata->mem_size);
> -       rounddown_pow_of_two(pdata->record_size);
> +       pdata->mem_size = rounddown_pow_of_two(pdata->mem_size);
> +       pdata->record_size = rounddown_pow_of_two(pdata->record_size);
> 
>         /* Check for the minimum memory size */
>         if (pdata->mem_size < MIN_MEM_SIZE &&

waah.

Reported-by: Andrew Morton <akpm@linux-foundation.org>

There goes my chance to get my name in the kernel tree :(

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-11-22  0:06 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2011-11-19 13:32 [PATCH] Fixed use of rounddown_pow_of_two in ramoops Marco Stornelli
2011-11-20  9:30 ` Cong Wang
2011-11-22  0:06 ` Andrew Morton

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