hv: vtd: fix use of uninitialized variable in dmar_free_irte

This patch fixes the following error: error: variable 'sid' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] Tracked-On: projectacrn#861 Signed-off-by: Gao, Shiqing <[email protected]>
zhangckid · Jul 3, 2024 · 0bcf469 · 0bcf469
1 parent 2aed0c7
commit 0bcf469
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/hypervisor/arch/x86/vtd.c b/hypervisor/arch/x86/vtd.c
@@ -1398,6 +1398,7 @@ void dmar_free_irte(const struct intr_source *intr_src, uint16_t index)
 
 	if (intr_src->is_msi) {
 		dmar_unit = device_to_dmaru((uint8_t)intr_src->src.msi.bits.b, intr_src->src.msi.fields.devfun);
+		sid.value = (uint16_t)(intr_src->src.msi.value);
 	} else {
 		dmar_unit = ioapic_to_dmaru(intr_src->src.ioapic_id, &sid);
 	}