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* [patch] KVM: PPC: fix a sanity check
@ 2016-07-14 10:15 ` Dan Carpenter
  0 siblings, 0 replies; 7+ messages in thread
From: Dan Carpenter @ 2016-07-14 10:15 UTC (permalink / raw)
  To: Alexander Graf, Bharat Bhushan
  Cc: kvm, Radim Krčmář,
	kernel-janitors, kvm-ppc, Paul Mackerras, Paolo Bonzini,
	linuxppc-dev

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>

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 02b4672..df3f270 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -2038,7 +2038,7 @@ 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;

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [patch] KVM: PPC: fix a sanity check
@ 2016-07-14 10:15 ` Dan Carpenter
  0 siblings, 0 replies; 7+ messages in thread
From: Dan Carpenter @ 2016-07-14 10:15 UTC (permalink / raw)
  To: Alexander Graf, Bharat Bhushan
  Cc: kvm, Radim Krčmář,
	kernel-janitors, kvm-ppc, Paul Mackerras, Paolo Bonzini,
	linuxppc-dev

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>

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 02b4672..df3f270 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -2038,7 +2038,7 @@ 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;
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [patch] KVM: PPC: fix a sanity check
@ 2016-07-14 10:15 ` Dan Carpenter
  0 siblings, 0 replies; 7+ messages in thread
From: Dan Carpenter @ 2016-07-14 10:15 UTC (permalink / raw)
  To: Alexander Graf, Bharat Bhushan
  Cc: Paolo Bonzini, Radim Krčmář,
	Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman,
	kvm-ppc, kvm, linuxppc-dev, kernel-janitors

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>

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 02b4672..df3f270 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -2038,7 +2038,7 @@ 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;

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [patch] KVM: PPC: fix a sanity check
  2016-07-14 10:15 ` Dan Carpenter
@ 2016-07-14 11:10   ` Alexander Graf
  -1 siblings, 0 replies; 7+ messages in thread
From: Alexander Graf @ 2016-07-14 11:10 UTC (permalink / raw)
  To: Dan Carpenter, Bharat Bhushan
  Cc: Michael Ellerman, Benjamin Herrenschmidt, linuxppc-dev,
	Paolo Bonzini, rkrcmar, Paul Mackerras, kernel-janitors, kvm,
	kvm-ppc

On 07/14/2016 12:15 PM, Dan Carpenter wrote:
> 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>

Oops :).

Reviewed-by: Alexander Graf <agraf@suse.de>


Alex


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [patch] KVM: PPC: fix a sanity check
@ 2016-07-14 11:10   ` Alexander Graf
  0 siblings, 0 replies; 7+ messages in thread
From: Alexander Graf @ 2016-07-14 11:10 UTC (permalink / raw)
  To: Dan Carpenter, Bharat Bhushan
  Cc: Michael Ellerman, Benjamin Herrenschmidt, linuxppc-dev,
	Paolo Bonzini, rkrcmar, Paul Mackerras, kernel-janitors, kvm,
	kvm-ppc

On 07/14/2016 12:15 PM, Dan Carpenter wrote:
> 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>

Oops :).

Reviewed-by: Alexander Graf <agraf@suse.de>


Alex


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [patch] KVM: PPC: fix a sanity check
  2016-07-14 10:15 ` Dan Carpenter
@ 2016-09-27  5:46   ` Paul Mackerras
  -1 siblings, 0 replies; 7+ messages in thread
From: Paul Mackerras @ 2016-09-27  5:46 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Alexander Graf, Bharat Bhushan, Paolo Bonzini,
	Radim Krčmář,
	Benjamin Herrenschmidt, Michael Ellerman, kvm-ppc, kvm,
	linuxppc-dev, kernel-janitors

On Thu, Jul 14, 2016 at 01:15:46PM +0300, Dan Carpenter wrote:
> 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>

Thanks, applied to kvm-ppc-next.

Paul.

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [patch] KVM: PPC: fix a sanity check
@ 2016-09-27  5:46   ` Paul Mackerras
  0 siblings, 0 replies; 7+ messages in thread
From: Paul Mackerras @ 2016-09-27  5:46 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Alexander Graf, Bharat Bhushan, Paolo Bonzini,
	Radim Krčmář,
	Benjamin Herrenschmidt, Michael Ellerman, kvm-ppc, kvm,
	linuxppc-dev, kernel-janitors

On Thu, Jul 14, 2016 at 01:15:46PM +0300, Dan Carpenter wrote:
> 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>

Thanks, applied to kvm-ppc-next.

Paul.

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2016-09-27  5:47 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-07-14 10:15 [patch] KVM: PPC: fix a sanity check Dan Carpenter
2016-07-14 10:15 ` Dan Carpenter
2016-07-14 10:15 ` Dan Carpenter
2016-07-14 11:10 ` Alexander Graf
2016-07-14 11:10   ` Alexander Graf
2016-09-27  5:46 ` Paul Mackerras
2016-09-27  5:46   ` Paul Mackerras

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