hw/arm/smmu-common: Fix smmu_iotlb_inv_iova when asid is not set

If the asid is not set, do not attempt to locate the key directly
as all inserted keys have a valid asid.

Use g_hash_table_foreach_remove instead.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20210309102742.30442-5-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c
index 405d5c532583d1dbaa94dec7b5980dff59057757..e9ca3aebb26696ab446414d4cc05a8eb405636f0 100644 (file)
--- a/hw/arm/smmu-common.c
+++ b/hw/arm/smmu-common.c
@@ -151,7 +151,7 @@ inline void
 smmu_iotlb_inv_iova(SMMUState *s, int asid, dma_addr_t iova,
                     uint8_t tg, uint64_t num_pages, uint8_t ttl)
 {
-    if (ttl && (num_pages == 1)) {
+    if (ttl && (num_pages == 1) && (asid >= 0)) {
         SMMUIOTLBKey key = smmu_get_iotlb_key(asid, iova, tg, ttl);
 
         g_hash_table_remove(s->iotlb, &key);