From: David Hildenbrand <david@redhat.com>
Date: Wed, 30 Aug 2017 18:06:00 +0200
Subject: KVM: s390: guestdbg: fix range check
Patch-mainline: v4.14-rc1
Git-commit: 8149fc07724a1eee65d772749935bd923ae4f686
References: bsc#1077761

Looks like the "overflowing" range check is wrong.

|=======b-------a=======|

addr >= a || addr <= b

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170830160603.5452-2-david@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Alexander Graf <agraf@suse.de>
---
 arch/s390/kvm/guestdbg.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/s390/kvm/guestdbg.c
+++ b/arch/s390/kvm/guestdbg.c
@@ -308,7 +308,7 @@
 		return (addr >= a) && (addr <= b);
 	else
 		/* "overflowing" interval */
-		return (addr <= a) && (addr >= b);
+		return (addr >= a) || (addr <= b);
 }
 
 #define end_of_range(bp_info) (bp_info->addr + bp_info->len - 1)