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| author | Dave Airlie <airlied@redhat.com> | 2020-09-17 14:18:51 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-09-17 16:07:11 +1000 |
| commit | b40be05ed255d9a0257fb66ab2728ecca2c9d597 (patch) | |
| tree | bf69d734e4413c24ce2e60f273d1de637a4aea5e /samples | |
| parent | 818280d5adf1d80e78f95821815148abe9407e14 (diff) | |
| parent | be0704beb229431f206fee3ddd65fa2c5eebdce3 (diff) | |
| download | linux-b40be05ed255d9a0257fb66ab2728ecca2c9d597.tar.gz linux-b40be05ed255d9a0257fb66ab2728ecca2c9d597.tar.bz2 linux-b40be05ed255d9a0257fb66ab2728ecca2c9d597.zip | |
Merge branch 'for-5.10-drm-sg-fix' of https://github.com/mszyprow/linux into drm-next
Please pull a set of fixes for various DRM drivers that finally resolve
incorrect usage of the scatterlists (struct sg_table nents and orig_nents
entries), what causes issues when IOMMU is used.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200910080505.24456-1-m.szyprowski@samsung.com
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/vfio-mdev/mbochs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c index 3cc5e5921682..e03068917273 100644 --- a/samples/vfio-mdev/mbochs.c +++ b/samples/vfio-mdev/mbochs.c @@ -846,7 +846,7 @@ static struct sg_table *mbochs_map_dmabuf(struct dma_buf_attachment *at, if (sg_alloc_table_from_pages(sg, dmabuf->pages, dmabuf->pagecount, 0, dmabuf->mode.size, GFP_KERNEL) < 0) goto err2; - if (!dma_map_sg(at->dev, sg->sgl, sg->nents, direction)) + if (dma_map_sgtable(at->dev, sg, direction, 0)) goto err3; return sg; @@ -868,6 +868,7 @@ static void mbochs_unmap_dmabuf(struct dma_buf_attachment *at, dev_dbg(dev, "%s: %d\n", __func__, dmabuf->id); + dma_unmap_sgtable(at->dev, sg, direction, 0); sg_free_table(sg); kfree(sg); } |