Date: Fri, 22 Sep 2017 08:21:35 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r323916 - head/sys/dev/usb Message-ID: <201709220821.v8M8LZ4T025433@repo.freebsd.org>
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Author: hselasky Date: Fri Sep 22 08:21:35 2017 New Revision: 323916 URL: https://svnweb.freebsd.org/changeset/base/323916 Log: Extend sysctl description for hw.usb.disable_enumeration . PR: 222505 Submitted by: Julian H. Stacey <jhs@berklix.com> MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/dev/usb/usb_hub.c Modified: head/sys/dev/usb/usb_hub.c ============================================================================== --- head/sys/dev/usb/usb_hub.c Fri Sep 22 08:21:14 2017 (r323915) +++ head/sys/dev/usb/usb_hub.c Fri Sep 22 08:21:35 2017 (r323916) @@ -100,7 +100,9 @@ SYSCTL_INT(_hw_usb, OID_AUTO, power_timeout, CTLFLAG_R #if USB_HAVE_DISABLE_ENUM static int usb_disable_enumeration = 0; SYSCTL_INT(_hw_usb, OID_AUTO, disable_enumeration, CTLFLAG_RWTUN, - &usb_disable_enumeration, 0, "Set to disable all USB device enumeration."); + &usb_disable_enumeration, 0, "Set to disable all USB device enumeration. " + "This can secure against USB devices turning evil, " + "for example a USB memory stick becoming a USB keyboard."); static int usb_disable_port_power = 0; SYSCTL_INT(_hw_usb, OID_AUTO, disable_port_power, CTLFLAG_RWTUN,
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