From: Avi Kivity <avi@redhat.com>
Date: Tue, 11 Nov 2008 11:09:36 +0000 (+0200)
Subject: KVM: Fix pit memory leak if unable to allocate irq source id
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e17d1dc0863767bab8fde4ba9be92c7f79e7fe50;p=linux-beck.git

KVM: Fix pit memory leak if unable to allocate irq source id

Reported-By: Daniel Marjamäki <danielm77@spray.se>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---

diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 8772dc946823..59ebd37ad79e 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -548,8 +548,10 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm)
 	mutex_lock(&kvm->lock);
 	pit->irq_source_id = kvm_request_irq_source_id(kvm);
 	mutex_unlock(&kvm->lock);
-	if (pit->irq_source_id < 0)
+	if (pit->irq_source_id < 0) {
+		kfree(pit);
 		return NULL;
+	}
 
 	mutex_init(&pit->pit_state.lock);
 	mutex_lock(&pit->pit_state.lock);