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authorDan Carpenter <dan.carpenter@oracle.com>2016-07-14 13:15:46 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-16 17:36:15 +0200
commiteb825842eb01ac84cdb9dba71195752bf2094345 (patch)
tree280b2c65f45901f980a57009d34085192f9b7ec0
parentd450527ad04ad180636679aeb3161ec58079f1ba (diff)
KVM: PPC: BookE: Fix a sanity check
commit ac0e89bb4744d3882ccd275f2416d9ce22f4e1e7 upstream. We use logical negate where bitwise negate was intended. It means that we never return -EINVAL here. Fixes: ce11e48b7fdd ('KVM: PPC: E500: Add userspace debug stub support') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/powerpc/kvm/booke.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index fd5875179e5c..6d63cd67b09b 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -2033,7 +2033,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
if (type == KVMPPC_DEBUG_NONE)
continue;
- if (type & !(KVMPPC_DEBUG_WATCH_READ |
+ if (type & ~(KVMPPC_DEBUG_WATCH_READ |
KVMPPC_DEBUG_WATCH_WRITE |
KVMPPC_DEBUG_BREAKPOINT))
return -EINVAL;