Skip to contentSkip to conversation

Patch "KVM: PPC: BookE: Fix a sanity check" has been added to the 4.4-stable tree

PATCH [email protected] 1 participant 1 message Oct 14, 2016

Subsystems (3)
lore
Share & tools
lore

[email protected]

author maintainer Applied
#0 lore raw

This is a note to let you know that I've just added the patch titled

KVM: PPC: BookE: Fix a sanity check

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
kvm-ppc-booke-fix-a-sanity-check.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From ac0e89bb4744d3882ccd275f2416d9ce22f4e1e7 Mon Sep 17 00:00:00 2001

From: Dan Carpenter <[email protected]>
Date: Thu, 14 Jul 2016 13:15:46 +0300
Subject: KVM: PPC: BookE: Fix a sanity check

From: Dan Carpenter <[email protected]>

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')
---
 arch/powerpc/kvm/booke.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
arch/powerpc/kvm/booke.c +1 -1
@@ -2033,7 +2033,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(
 		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;

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/kvm-ppc-booke-fix-a-sanity-check.patch queue-4.4/mfd-88pm80x-double-shifting-bug-in-suspend-resume.patch