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perf script: Fix memory leaks in list_scripts()

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In case memory resources for *buf* and *paths* were allocated, jump to
*out* and release them before return.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Gustavo A. R. Silva <gustavo@embeddedor.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Addresses-Coverity-ID: 1444328 ("Resource leak")
Fixes: 6f3da20e15 ("perf report: Support builtin perf script in scripts menu")
Link: http://lkml.kernel.org/r/20190408162748.GA21008@embeddedor
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Gustavo A. R. Silva 2019-04-08 11:27:48 -05:00 committed by Arnaldo Carvalho de Melo
parent 3dab6ac080
commit 3b4acbb92d
1 changed files with 4 additions and 2 deletions
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6
tools/perf/ui/browsers/scripts.c
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@ -133,8 +133,10 @@ static int list_scripts(char *script_name, bool *custom,
int key = ui_browser__input_window("perf script command",
"Enter perf script command line (without perf script prefix)",
script_args, "", 0);
if (key != K_ENTER)
return -1;
if (key != K_ENTER) {
ret = -1;
goto out;
}
sprintf(script_name, "%s script %s", perf, script_args);
} else if (choice < num + max_std) {
strcpy(script_name, paths[choice]);