Re: [PATCH] MIPS: ftrace: Remove pointer comparison to 0 in prepare_ftrace_return

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On Wed, Jan 17, 2018 at 12:31:57PM +0100, Mathieu Malaterre wrote:
> Replace pointer comparison to 0 with NULL in prepare_ftrace_return
> to improve code readability. Identified with coccinelle script
> 'badzero.cocci'.
> 
> Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>

I've applied to my 4.16 branch,

Thanks
James

> ---
>  arch/mips/kernel/ftrace.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
> index 99285be0e088..7f3dfdbc3657 100644
> --- a/arch/mips/kernel/ftrace.c
> +++ b/arch/mips/kernel/ftrace.c
> @@ -361,7 +361,7 @@ void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra,
>  	 * If fails when getting the stack address of the non-leaf function's
>  	 * ra, stop function graph tracer and return
>  	 */
> -	if (parent_ra_addr == 0)
> +	if (parent_ra_addr == NULL)
>  		goto out;
>  #endif
>  	/* *parent_ra_addr = return_hooker; */
> -- 
> 2.11.0
> 
> 

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