diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-08-14 09:59:20 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-08-20 14:35:03 +0200 |
| commit | dea027f28209aa7a23a4e56b2ae270f16d48055d (patch) | |
| tree | 7a25b4f333ec6dc8972d65338c57abbd3f6084f5 | |
| parent | mm: turn migrate_vma upside down (diff) | |
| download | linux-dea027f28209aa7a23a4e56b2ae270f16d48055d.tar.xz linux-dea027f28209aa7a23a4e56b2ae270f16d48055d.zip | |
nouveau: reset dma_nr in nouveau_dmem_migrate_alloc_and_copy
When we start a new batch of dma_map operations we need to reset dma_nr,
as we start filling a newly allocated array.
Link: https://lore.kernel.org/r/20190814075928.23766-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Tested-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dmem.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c index 38416798abd4..e696157f771e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dmem.c +++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c @@ -682,6 +682,7 @@ nouveau_dmem_migrate_alloc_and_copy(struct vm_area_struct *vma, migrate->dma = kmalloc(sizeof(*migrate->dma) * npages, GFP_KERNEL); if (!migrate->dma) goto error; + migrate->dma_nr = 0; /* Copy things over */ copy = drm->dmem->migrate.copy_func; |