Commit dd010bd7 authored May 15, 2018 by Mika Westerberg Committed by Greg Kroah-Hartman May 15, 2018

thunderbolt: Handle NULL boot ACL entries properly



If the boot ACL entry is already NULL we should not fill in the upper
two DWs with 0xfffffffff. Otherwise they are not shown as empty entries
when the sysfs attribute is read.

Fixes: 9aaa3b8b ("thunderbolt: Add support for preboot ACL")
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Yehezkel Bernat <yehezkelshb@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 6da6c0db

drivers/thunderbolt/icm.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1255,7 +1255,7 @@ static int icm_ar_get_boot_acl(struct tb tb, uuid_t uuids, size_t nuuids)
		/* Map empty entries to null UUID */
		uuid[0] = 0;
		uuid[1] = 0;
		} else {
		} else if (uuid[0] != 0 \|\| uuid[1] != 0) {
		/* Upper two DWs are always one's */
		uuid[2] = 0xffffffff;
		uuid[3] = 0xffffffff;