thunderbolt: Handle NULL boot ACL entries properly

[linux.git] / drivers / thunderbolt / icm.c

diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index 2d2ceda9aa2691ed3b7d38752a74bcaf06955547..500911f1649852d91641e607be198228b9e185a2 100644 (file)
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -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;