On 7/29/19 7:28 AM, Christoph Hellwig wrote:
When we start a new batch of dma_map operations we need to reset dma_nr,
as we start filling a newly allocated array.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Ralph Campbell <rcampbell@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_dmem.c | 1 +
1 file changed, 1 insertion(+)
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;
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