linux-kernel - Re: [PATCHv3 20/29] tools lib traceevent: Remove malloc_or_die from plugin

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Date:	Fri, 29 Nov 2013 10:54:21 +0000
From:	Namhyung Kim <namhyung@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Steven Rostedt <rostedt@...dmis.org>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCHv3 20/29] tools lib traceevent: Remove malloc_or_die from plugin_function.c

> Removing malloc_or_die calls from plugin_function.c,
> replacing them and factoring the code with standard
> realloc and error path.

[SNIP]
>
>         if (cpu > cpus) {
> -               if (fstack)
> -                       fstack = realloc(fstack, sizeof(*fstack) * (cpu + 1));
> -               else
> -                       fstack = malloc_or_die(sizeof(*fstack) * (cpu + 1));
> +               fstack = realloc(fstack, sizeof(*fstack) * (cpu + 1));

This code also has same problem..

Thanks,
Namhyung


> +               if (!fstack) {
> +                       warning("could not allocate plugin memory\n");
> +                       return 0;
> +               }
>
>                 /* Account for holes in the cpu count */
>                 for (i = cpus + 1; i <= cpu; i++)
> --
> 1.8.3.1
>
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