diff options
| -rw-r--r-- | hw/display/virtio-gpu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 5f0dd7c150..90be4e3ed7 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -646,9 +646,9 @@ int virtio_gpu_create_mapping_iov(VirtIOGPU *g, uint64_t a = le64_to_cpu(ents[i].addr); uint32_t l = le32_to_cpu(ents[i].length); hwaddr len = l; - (*iov)[i].iov_len = l; (*iov)[i].iov_base = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, a, &len, DMA_DIRECTION_TO_DEVICE); + (*iov)[i].iov_len = len; if (addr) { (*addr)[i] = a; } @@ -656,6 +656,9 @@ int virtio_gpu_create_mapping_iov(VirtIOGPU *g, qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" " resource %d element %d\n", __func__, ab->resource_id, i); + if ((*iov)[i].iov_base) { + i++; /* cleanup the 'i'th map */ + } virtio_gpu_cleanup_mapping_iov(g, *iov, i); g_free(ents); *iov = NULL; |