linux-kernel - [PATCH 3.19.y-ckt 02/54] [3.19-stable-only] fix backport "KVM: s390: avoid memory overwrites on emergency signal injection"

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Date:	Mon,  9 May 2016 17:04:21 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 02/54] [3.19-stable-only] fix backport "KVM: s390: avoid memory overwrites on emergency signal injection"

3.19.8-ckt21 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Kamal Mostafa <kamal@...onical.com>

Fix bad 3.19-stable backport of mainline commit:
b85de33 KVM: s390: avoid memory overwrites on emergency signal injection
(3.19-stable: 2912b8f)

Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 arch/s390/kvm/interrupt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index befe999..4d490e9 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -1061,7 +1061,7 @@ static int __inject_sigp_emergency(struct kvm_vcpu *vcpu,
 				   emerg->code, 0, 2);
 
 	/* sending vcpu invalid */
-	if (kvm_get_vcpu_by_id(vcpu->kvm, emerg.code) == NULL)
+	if (kvm_get_vcpu_by_id(vcpu->kvm, emerg->code) == NULL)
 		return -EINVAL;
 
 	set_bit(emerg->code, li->sigp_emerg_pending);
-- 
2.7.4