diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/kvmgt.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index c429ed033fc4..10c3a4b95a92 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -1402,8 +1402,11 @@ static unsigned long kvmgt_gfn_to_pfn(unsigned long handle, unsigned long gfn) } /* transfer to host iova for GFX to use DMA */ rc = gvt_dma_map_iova(info->vgpu, pfn, &iova); - if (rc) + if (rc) { gvt_err("gvt_dma_map_iova failed for gfn: 0x%lx\n", gfn); + vfio_unpin_pages(dev, &gfn, 1); + return INTEL_GVT_INVALID_ADDR; + } gvt_cache_add(info->vgpu, gfn, iova); return iova; |