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KVM: Fix pit memory leak if unable to allocate irq source id
author
Avi Kivity
<avi@redhat.com>
Tue, 11 Nov 2008 11:09:36 +0000
(13:09 +0200)
committer
Avi Kivity
<avi@redhat.com>
Tue, 11 Nov 2008 19:01:51 +0000
(21:01 +0200)
Reported-By: Daniel Marjamäki <danielm77@spray.se>
Signed-off-by: Avi Kivity <avi@qumranet.com>
arch/x86/kvm/i8254.c
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diff --git
a/arch/x86/kvm/i8254.c
b/arch/x86/kvm/i8254.c
index 8772dc94682348aa518b1c424dd5e79e67894128..59ebd37ad79e25b658217e02dd5b57ab38f18c21 100644
(file)
--- 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);