Re: [PATCH] perf script: Fix memory leaks in list_scripts()

From: Arnaldo Carvalho de Melo
Date: Mon Aug 26 2019 - 10:08:01 EST


Em Sun, Aug 25, 2019 at 11:06:25PM -0500, Gustavo A. R. Silva escreveu:
> Hi all,
>
> Friendly ping (second one after 4 months):
>
> Who can take this?

Sorry for the delay, finally applied, thanks!

- Arnaldo

> Thanks
> --
> Gustavo
>
> On 4/22/19 10:14 AM, Gustavo A. R. Silva wrote:
> > Hi all,
> >
> > Friendly ping:
> >
> > Who can take this?
> >
> > Thanks
> >
> > On 4/8/19 11:27 AM, Gustavo A. R. Silva wrote:
> >> In case memory resources for *buf* and *paths* were allocated,
> >> jump to *out* and release them before return.
> >>
> >> Addresses-Coverity-ID: 1444328 ("Resource leak")
> >> Fixes: 6f3da20e151f ("perf report: Support builtin perf script in scripts menu")
> >> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> >> ---
> >> tools/perf/ui/browsers/scripts.c | 6 ++++--
> >> 1 file changed, 4 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c
> >> index 27cf3ab88d13..f4edb18f67ec 100644
> >> --- a/tools/perf/ui/browsers/scripts.c
> >> +++ b/tools/perf/ui/browsers/scripts.c
> >> @@ -131,8 +131,10 @@ 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]);
> >>

--

- Arnaldo