[PATCH v5 1/5] LoongArch: KVM: Fix uninitialized stack variable issue with dmsintc
Bibo Mao <[email protected]>
| Newsgroups | dev.linux.lists.loongarch,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
Variable vector[] is declared on stack in function dmsintc_inject_irq()
and sometimes it is used without initialized. Here fix this issue.
Fixes: 03de5eecb0f0 ("LoongArch: KVM: Add DMSINTC inject msi to vCPU")
Cc: [email protected]
Signed-off-by: Bibo Mao <[email protected]>
---
arch/loongarch/kvm/intc/dmsintc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/loongarch/kvm/intc/dmsintc.c b/arch/loongarch/kvm/intc/dmsintc.c
index de25735ce039..0a8492c4394c 100644
--- a/arch/loongarch/kvm/intc/dmsintc.c
+++ b/arch/loongarch/kvm/intc/dmsintc.c
@@ -21,6 +21,8 @@ void dmsintc_inject_irq(struct kvm_vcpu *vcpu)
old = atomic64_read(&(ds->vector_map[i]));
if (old)
vector[i] = atomic64_xchg(&(ds->vector_map[i]), 0);
+ else
+ vector[i] = 0;
}
if (vector[0]) {
--
2.39.3