Re: [PATCH] drivers/pcmcia/cs.c

David Hinds (dhinds@sonic.net)
Wed, 10 Jan 2001 20:05:50 -0800


On Wed, Jan 10, 2001 at 04:23:14PM -0200, Thiago Rondon wrote:
>
> Check kmalloc().
>
> -Thiago Rondon
>
> --- linux-2.4.0-ac5/drivers/pcmcia/cs.c Fri Dec 29 20:35:47 2000
> +++ linux-2.4.0-ac5.maluco/drivers/pcmcia/cs.c Wed Jan 10 16:18:11 2001
> @@ -1458,6 +1458,8 @@
> s->functions = 1;
> s->config = kmalloc(sizeof(config_t) * s->functions,
> GFP_KERNEL);
> + if (!s->config)
> + return CS_OUT_OF_RESOURCE;
> memset(s->config, 0, sizeof(config_t) * s->functions);
> }

This is not a satisfactory fix; if that kmalloc ever fails, you also
need to back out various things that were done higher up. You can't
bail out at this spot.

-- Dave
-
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