linux-kernel - Re: [PATCH V2 2/3] perf tools: parse the pmu event prefix and surfix

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Date:	Wed, 27 Aug 2014 09:22:46 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	kan.liang@...el.com
Cc:	acme@...nel.org, jolsa@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 2/3] perf tools: parse the pmu event prefix and surfix

> +	while ((pmu = perf_pmu__scan(pmu)) != NULL)
> +		list_for_each_entry(alias, &pmu->aliases, list) {
> +			if (!strcmp(pmu->name, "cpu")) {
> +				struct kernel_pmu_event_symbol *p =
> +					kernel_pmu_events_list + len;
> +				char *tmp = strchr(alias->name, '-');
> +
> +				if (tmp != NULL) {
> +					strncpy(p->symbol, alias->name,
> +							tmp - alias->name);

Please use strlcpy(). Otherwise p->symbol may not be zero terminated.

The rest of the patch looks good to me.

-Andi
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