On Mon, Sep 22, 2014 at 10:00:55PM -0700, Dexuan Cui wrote: > v2: I added "errno = 0;" in the ioctl() That does not belong in the changelog, put it below the --- line. Also, you need a changelog description here, it can't be empty. greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel