Messages in this thread Patch in this message | | | Date | Tue, 23 Oct 2018 09:32:22 +0530 | From | Souptick Joarder <> | Subject | [PATCH] drm/drm_pci.c: Use dma_zalloc_coherent |
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Replace dma_alloc_coherent + memset with dma_zalloc_coherent.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> --- drivers/gpu/drm/drm_pci.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index 896e42a..1427879 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -61,15 +61,14 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali return NULL; dmah->size = size; - dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP); + dmah->vaddr = dma_zalloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, + GFP_KERNEL | __GFP_COMP); if (dmah->vaddr == NULL) { kfree(dmah); return NULL; } - memset(dmah->vaddr, 0, size); - /* XXX - Is virt_to_page() legal for consistent mem? */ /* Reserve */ for (addr = (unsigned long)dmah->vaddr, sz = size; -- 1.9.1
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