[PATCH v5 1/5] LoongArch: KVM: Fix uninitialized stack variable issue with dmsintc

[Bibo Mao]

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: stable@xxxxxxxxxxxxxxx
Signed-off-by: Bibo Mao <maobibo@xxxxxxxxxxx>
---
 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