linux-kernel - Re: [PATCH 1/2] staging: media: atomisp2: css2400: Replace kfree()/vfree() with kvfree()

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Date:   Fri, 07 Jul 2017 17:58:30 -0700
From:   Joe Perches <joe@...ches.com>
To:     Amitoj Kaur Chawla <amitoj1606@...il.com>, mchehab@...nel.org,
        gregkh@...uxfoundation.org, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] staging: media: atomisp2: css2400: Replace
 kfree()/vfree() with kvfree()

On Fri, 2017-07-07 at 20:40 -0400, Amitoj Kaur Chawla wrote:
> Conditionally calling kfree()/vfree() can be replaced by a call to 
> kvfree() which handles both kmalloced memory and vmalloced memory.
[]
> diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css.c
[]
> @@ -2029,10 +2029,7 @@ void *sh_css_calloc(size_t N, size_t size)
> 
>  void sh_css_free(void *ptr)
>  {
> -	if (is_vmalloc_addr(ptr))
> -		vfree(ptr);
> -	else
> -		kfree(ptr);
> +	kvfree(ptr);
>  }

Why not just get rid of sh_css_free and use kvfree directly?

Why not get rid of all the sh_css_<alloc/free> functions?