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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>
This commit is contained in:
David Hildenbrand 2017-08-30 18:06:00 +02:00 committed by Christian Borntraeger
parent 1935222dc2
commit 8149fc0772
1 changed files with 1 additions and 1 deletions
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arch/s390/kvm/guestdbg.c
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@ -308,7 +308,7 @@ static inline int in_addr_range(u64 addr, u64 a, u64 b)
return (addr >= a) && (addr <= b); return (addr >= a) && (addr <= b);
else else
/* "overflowing" interval */ /* "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) #define end_of_range(bp_info) (bp_info->addr + bp_info->len - 1)