Re: [V2][PATCH 2/6] x86, nmi: create new NMI handler routines

[Peter Zijlstra]

On Tue, 2011-08-23 at 17:11 -0400, Don Zickus wrote:
> +int register_nmi_handler(unsigned int type, nmi_handler_t handler,
> +                       unsigned long nmiflags, const char *devname)
> +{
> +       struct nmiaction *action;
> +       int retval;
> +
> +       if (!handler)
> +               return -EINVAL;
> +
> +       action = kzalloc(sizeof(struct nmiaction), GFP_KERNEL);
> +       if (!action)
> +               return -ENOMEM;
> +
> +       action->handler = handler;
> +       action->flags = nmiflags;
> +       action->name = kstrndup(devname, NMI_MAX_NAMELEN, GFP_KERNEL);
> +
> +       retval = __setup_nmi(type, action);
> +
> +       if (retval)
> +               kfree(action);

you just leaked your kstrndup().

> +       
> +       return retval;
> +} 
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