Commit 8149fc07 authored Aug 30, 2017 by David Hildenbrand Committed by Christian Borntraeger Aug 31, 2017

KVM: s390: guestdbg: fix range check



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>

parent 1935222d

arch/s390/kvm/guestdbg.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -308,7 +308,7 @@ static inline int in_addr_range(u64 addr, u64 a, u64 b)
		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)