From: Masami Hiramatsu <mhiramat@kernel.org>
To: SF Markus Elfring <elfring@users.sourceforge.net>
Cc: Adrian Hunter <adrian.hunter@intel.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
He Kuang <hekuang@huawei.com>, Ingo Molnar <mingo@redhat.com>,
Jiri Olsa <jolsa@kernel.org>,
Milian Wolff <milian.wolff@kdab.com>,
Peter Zijlstra <peterz@infradead.org>,
Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>,
Wang Nan <wangnan0@huawei.com>,
LKML <linux-kernel@vger.kernel.org>,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH 2/4] perf probe: Delete an unnecessary assignment in try_to_find_absolute_address()
Date: Mon, 23 Jan 2017 22:47:46 +0000 [thread overview]
Message-ID: <20170124074746.93a88c7163c0e55e42cc84c8@kernel.org> (raw)
In-Reply-To: <0ede09ec-79b6-c8bd-5b20-02c63ed98aab@users.sourceforge.net>
On Mon, 23 Jan 2017 16:24:06 +0100
SF Markus Elfring <elfring@users.sourceforge.net> wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Mon, 23 Jan 2017 15:10:19 +0100
>
> Remove an error code assignment which is redundant in an if branch for
> the handling of a memory allocation failure because the same value was set
> for the local variable "err" before.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
This looks good to me :)
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Thanks!
> ---
> tools/perf/util/probe-event.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
> index 6c7508337fe8..5a34c93b818a 100644
> --- a/tools/perf/util/probe-event.c
> +++ b/tools/perf/util/probe-event.c
> @@ -2956,10 +2956,9 @@ static int try_to_find_absolute_address(struct perf_probe_event *pev,
>
> tev->nargs = pev->nargs;
> tev->args = zalloc(sizeof(struct probe_trace_arg) * tev->nargs);
> - if (!tev->args) {
> - err = -ENOMEM;
> + if (!tev->args)
> goto errout;
> - }
> +
> for (i = 0; i < tev->nargs; i++)
> copy_to_probe_trace_arg(&tev->args[i], &pev->args[i]);
>
> --
> 2.11.0
>
--
Masami Hiramatsu <mhiramat@kernel.org>
next prev parent reply other threads:[~2017-01-23 22:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 15:20 [PATCH 0/4] perf: Fine-tuning for three function implementations SF Markus Elfring
2017-01-23 15:22 ` [PATCH 1/4] perf probe: Delete an unnecessary check in try_to_find_absolute_address() SF Markus Elfring
2017-01-23 22:48 ` Masami Hiramatsu
2017-01-23 15:24 ` [PATCH 2/4] perf probe: Delete an unnecessary assignment " SF Markus Elfring
2017-01-23 22:47 ` Masami Hiramatsu [this message]
2017-01-23 15:25 ` [PATCH 3/4] perf session: Move an error code assignment in __perf_session__set_tracepoints_handlers( SF Markus Elfring
2017-01-23 22:56 ` [PATCH 3/4] perf session: Move an error code assignment in __perf_session__set_tracepoints_handl Masami Hiramatsu
2017-01-23 15:26 ` [PATCH 4/4] perf strlist: Move an error code assignment in strlist__parse_list_entry() SF Markus Elfring
2017-01-23 23:32 ` Masami Hiramatsu
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