Re: [PATCH 2/5] perf tools: cleanup trace-event-info 'tdata' leak

[Arnaldo Carvalho de Melo]

Em Tue, Oct 02, 2018 at 10:29:11AM -0400, Sanskriti Sharma escreveu:
> Free tracing_data structure in tracing_data_get() error paths.
> 
> Fixes the following coverity complaint:
> 
>   Error: RESOURCE_LEAK (CWE-772):
>   leaked_storage: Variable "tdata" going out of scope leaks the storage

Thanks, applied

- Arnaldo
 
> Signed-off-by: Sanskriti Sharma <sansharm@xxxxxxxxxx>
> ---
>  tools/perf/util/trace-event-info.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
> index 7b0ca7c..8ad8e75 100644
> --- a/tools/perf/util/trace-event-info.c
> +++ b/tools/perf/util/trace-event-info.c
> @@ -531,12 +531,14 @@ struct tracing_data *tracing_data_get(struct list_head *pattrs,
>  			 "/tmp/perf-XXXXXX");
>  		if (!mkstemp(tdata->temp_file)) {
>  			pr_debug("Can't make temp file");
> +			free(tdata);
>  			return NULL;
>  		}
>  
>  		temp_fd = open(tdata->temp_file, O_RDWR);
>  		if (temp_fd < 0) {
>  			pr_debug("Can't read '%s'", tdata->temp_file);
> +			free(tdata);
>  			return NULL;
>  		}
>  
> -- 
> 1.8.3.1