> --- a/drivers/base/core.c
quoted text
> +++ b/drivers/base/core.c
> @@ -296,6 +296,9 @@ out:
>  static ssize_t store_uevent(struct device *dev, struct device_attribute *attr,
>  			    const char *buf, size_t count)
>  {
> +	if (memcmp(buf, "add", 3) != 0)
> +		dev_err(dev, "uevent: unsupported action-string; this will "
> +			"be ignored in a future kernel version");
>  	kobject_uevent(&dev->kobj, KOBJ_ADD);
>  	return count;
>  }


And checking for "add" without actually checking if count >= 3 is very
ugly style indeed. Not afaict any kind of security risk as the next 3
bytes are always going to be readable
-
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