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