linux-kernel - [tip:perf/core] perf probe: Delete an unnecessary assignment in try_to_find_absolute

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Date:   Thu, 26 Jan 2017 07:29:11 -0800
From:   tip-bot for Markus Elfring <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     wangnan0@...wei.com, hekuang@...wei.com, adrian.hunter@...el.com,
        peterz@...radead.org, alexander.shishkin@...ux.intel.com,
        linux-kernel@...r.kernel.org, acme@...hat.com, hpa@...or.com,
        mingo@...nel.org, elfring@...rs.sourceforge.net,
        tglx@...utronix.de, jolsa@...nel.org, mhiramat@...nel.org,
        ravi.bangoria@...ux.vnet.ibm.com, milian.wolff@...b.com
Subject: [tip:perf/core] perf probe: Delete an unnecessary assignment in
 try_to_find_absolute_address()

Commit-ID:  d1d0e29cb7d03a6019caa125e4c0288366a4f359
Gitweb:     http://git.kernel.org/tip/d1d0e29cb7d03a6019caa125e4c0288366a4f359
Author:     Markus Elfring <elfring@...rs.sourceforge.net>
AuthorDate: Mon, 23 Jan 2017 15:10:19 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 26 Jan 2017 11:42:56 -0300

perf probe: Delete an unnecessary assignment in try_to_find_absolute_address()

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@...rs.sourceforge.net>
Acked-by: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: He Kuang <hekuang@...wei.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Milian Wolff <milian.wolff@...b.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
Cc: Wang Nan <wangnan0@...wei.com>
Cc: kernel-janitors@...r.kernel.org
Link: http://lkml.kernel.org/r/0ede09ec-79b6-c8bd-5b20-02c63ed98aab@users.sourceforge.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 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 cdfc468..ded1e7d 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -2994,10 +2994,9 @@ 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]);