[tip:perf/core] perf probe: Delete an unnecessary assignment in try_to_find_absolute_address()

From: tip-bot for Markus Elfring
Date: Thu Jan 26 2017 - 10:31:32 EST

Commit-ID: d1d0e29cb7d03a6019caa125e4c0288366a4f359
Gitweb: http://git.kernel.org/tip/d1d0e29cb7d03a6019caa125e4c0288366a4f359
Author: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
AuthorDate: Mon, 23 Jan 2017 15:10:19 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxx>
Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: He Kuang <hekuang@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Milian Wolff <milian.wolff@xxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Cc: kernel-janitors@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/0ede09ec-79b6-c8bd-5b20-02c63ed98aab@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
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]);