diff mbox series

[v7,6/9] vfio: Reverse test on vfio_get_xlat_addr()

Message ID 20240516124658.850504-7-clg@redhat.com (mailing list archive)
State New
Headers show
Series vfio: Improve error reporting (part 2) | expand

Commit Message

Cédric Le Goater May 16, 2024, 12:46 p.m. UTC 
It will simplify the changes coming after.

Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
 hw/vfio/common.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 2c97de6c730d963d961bf81c0831326c0e25afa7..c7f274fb5c851e4c44498552891265018d2c5313 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -1224,16 +1224,20 @@  static void vfio_iommu_map_dirty_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb)
     }
 
     rcu_read_lock();
-    if (vfio_get_xlat_addr(iotlb, NULL, &translated_addr, NULL)) {
-        ret = vfio_get_dirty_bitmap(bcontainer, iova, iotlb->addr_mask + 1,
-                                    translated_addr);
-        if (ret) {
-            error_report("vfio_iommu_map_dirty_notify(%p, 0x%"HWADDR_PRIx", "
-                         "0x%"HWADDR_PRIx") = %d (%s)",
-                         bcontainer, iova, iotlb->addr_mask + 1, ret,
-                         strerror(-ret));
-        }
+    if (!vfio_get_xlat_addr(iotlb, NULL, &translated_addr, NULL)) {
+        goto out_unlock;
     }
+
+    ret = vfio_get_dirty_bitmap(bcontainer, iova, iotlb->addr_mask + 1,
+                                translated_addr);
+    if (ret) {
+        error_report("vfio_iommu_map_dirty_notify(%p, 0x%"HWADDR_PRIx", "
+                     "0x%"HWADDR_PRIx") = %d (%s)",
+                     bcontainer, iova, iotlb->addr_mask + 1, ret,
+                     strerror(-ret));
+    }
+
+out_unlock:
     rcu_read_unlock();
 
 out: