>   This patch is to fix unnecessary increment of 'i' used to
> specify an element of an arry 'envp[]' in firmware_class_hotplug().
> The 'i' is already incremented in add_hotplug_env_var(), actually.

you are right. The incrementation is wrong, but it doesn't have any
negative effect. However the same applies for the usb_hotplug() function
in drivers/usb/core/usb.c.
Signed-off-by: Keiichiro Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>