On Sun, 15 Mar 2020 21:12:59 +0100
Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> wrote:
> If a memory allocation fail, we should branch to the error handling path in
> order to free some resources allocated a few lines above.
>
Good catch!
Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Thank you,
> Fixes: 15354d546986 ("perf probe: Generate event name with line number")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> tools/perf/util/probe-event.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
> index eea132f512b0..65a615ee4b4c 100644
> --- a/tools/perf/util/probe-event.c
> +++ b/tools/perf/util/probe-event.c
> @@ -1683,8 +1683,10 @@ int parse_perf_probe_command(const char *cmd, struct perf_probe_event *pev)
> if (!pev->event && pev->point.function && pev->point.line
> && !pev->point.lazy_line && !pev->point.offset) {
> if (asprintf(&pev->event, "%s_L%d", pev->point.function,
> - pev->point.line) < 0)
> - return -ENOMEM;
> + pev->point.line) < 0) {
> + ret = -ENOMEM;
> + goto out;
> + }
> }
>
> /* Copy arguments and ensure return probe has no C argument */
> --
> 2.20.1
>
--
Masami Hiramatsu <mhiramat@xxxxxxxxxx>
