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LoongArch: KVM: Fix uninitialized stack variable issue with dmsintc

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Variable vector[] is declared on stack in function dmsintc_inject_irq()
and sometimes it is used without initialized. Here fix this issue.

Cc: stable@vger.kernel.org
Fixes: 03de5eecb0 ("LoongArch: KVM: Add DMSINTC inject msi to vCPU")
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Bibo Mao 2026-08-10 12:21:57 +08:00 committed by Huacai Chen
parent 5af8b70f56
commit 81aa3a58b5
1 changed files with 1 additions and 2 deletions
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3
arch/loongarch/kvm/intc/dmsintc.c
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@ -19,8 +19,7 @@ void dmsintc_inject_irq(struct kvm_vcpu *vcpu)
for (i = 0; i < 4; i++) {
old = atomic64_read(&(ds->vector_map[i]));
if (old)
vector[i] = atomic64_xchg(&(ds->vector_map[i]), 0);
vector[i] = old ? atomic64_xchg(&(ds->vector_map[i]), 0) : 0;
}
if (vector[0]) {