The dma_mapping_error() returns true on error but we want to return
-ENOMEM here.
Fixes: 79e542f5af79 ("drm/i915/kvmgt: Support setting dma map for huge pages")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index 4d2f53ae9f0f..32ec5748f176 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -187,14 +187,14 @@ static int gvt_dma_map_page(struct intel_vgpu *vgpu, unsigned long gfn,
/* Setup DMA mapping. */
*dma_addr = dma_map_page(dev, page, 0, size, PCI_DMA_BIDIRECTIONAL);
- ret = dma_mapping_error(dev, *dma_addr);
- if (ret) {
+ if (dma_mapping_error(dev, *dma_addr)) {
gvt_vgpu_err("DMA mapping failed for pfn 0x%lx, ret %d\n",
page_to_pfn(page), ret);
gvt_unpin_guest_page(vgpu, gfn, size);
+ return -ENOMEM;
}
- return ret;
+ return 0;
}
static void gvt_dma_unmap_page(struct intel_vgpu *vgpu, unsigned long gfn,
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