On Wed, Nov 21, 2012 at 10:49:07AM +0530, Sachin Kamat wrote:
> kfree on a NULL pointer is a no-op.
> 
> Signed-off-by: Sachin Kamat <[email protected]>
> ---
>  drivers/tty/vt/consolemap.c |    6 ++----
>  1 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
> index 2aaa0c2..248381b 100644
> --- a/drivers/tty/vt/consolemap.c
> +++ b/drivers/tty/vt/consolemap.c
> @@ -410,10 +410,8 @@ static void con_release_unimap(struct uni_pagedir *p)
>               kfree(p->inverse_translations[i]);
>               p->inverse_translations[i] = NULL;
>       }
> -     if (p->inverse_trans_unicode) {
> -             kfree(p->inverse_trans_unicode);
> -             p->inverse_trans_unicode = NULL;
> -     }
> +     kfree(p->inverse_trans_unicode);
> +     p->inverse_trans_unicode = NULL;

kfree with NULL is a no-op, but the line after that just caused a kernel
crash if it was NULL, so I can't accept this type of thing.

Please be more careful.

What's with the [email protected] email address?  What is that for?

thanks,

greg k-h
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