From dea027f28209aa7a23a4e56b2ae270f16d48055d Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 14 Aug 2019 09:59:20 +0200 Subject: 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 Reviewed-by: Ralph Campbell Tested-by: Ralph Campbell Signed-off-by: Jason Gunthorpe --- drivers/gpu/drm/nouveau/nouveau_dmem.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/nouveau/nouveau_dmem.c') 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; -- cgit v1.2.3