On Mon, Jan 19, 2015 at 07:55:56PM +0100, Wolfram Sang wrote: > Back in the days, sysfs seemed to have refcounting issues and subsystems > needed a completion to be safe. This is not the case anymore, so I2C can > get rid of this code. There is noone else besides I2C doing something > like this currently (checked with the attached coccinelle script which > checks if a release function exists and if it contains a completion). Have you validated this with DEBUG_KOBJECT_RELEASE enabled? -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net.