On Mon, Dec 09, 2013 at 02:34:03PM +0900, Namhyung Kim wrote:
> Make it return -2 to distinguish malloc allocation failure.
> 
> Signed-off-by: Namhyung Kim <namhy...@kernel.org>
> ---
>  tools/lib/traceevent/parse-filter.c | 17 ++++++++++++++---
>  1 file changed, 14 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/lib/traceevent/parse-filter.c 
> b/tools/lib/traceevent/parse-filter.c
> index e9d17bfcdffd..06e5af9f8fc4 100644
> --- a/tools/lib/traceevent/parse-filter.c
> +++ b/tools/lib/traceevent/parse-filter.c
> @@ -301,7 +301,10 @@ find_event(struct pevent *pevent, struct event_list 
> **events,
>               sys_name = NULL;
>       }
>  
> -     reg = malloc_or_die(strlen(event_name) + 3);
> +     reg = malloc(strlen(event_name) + 3);
> +     if (reg == NULL)
> +             return -2;
> +

I guess we dont need error defines or enums when this is just
static function, but at least please add some comment (description)
of return values like in pevent_filter_match function

jirka
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