From: James Hogan <jhogan@kernel.org>
To: Mathieu Malaterre <malat@debian.org>
Cc: Ralf Baechle <ralf@linux-mips.org>,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>,
linux-mips@linux-mips.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] MIPS: ftrace: Remove pointer comparison to 0 in prepare_ftrace_return
Date: Thu, 1 Feb 2018 12:03:06 +0000 [thread overview]
Message-ID: <20180201120306.GH7637@saruman> (raw)
In-Reply-To: <20180117113157.25768-1-malat@debian.org>
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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@debian.org>
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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prev parent reply other threads:[~2018-02-01 12:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-17 11:31 [PATCH] MIPS: ftrace: Remove pointer comparison to 0 in prepare_ftrace_return Mathieu Malaterre
2018-01-17 21:13 ` James Hogan
2018-02-01 12:03 ` James Hogan [this message]
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