From 068f304781804e208f901d8f6083189e0e28c420 Mon Sep 17 00:00:00 2001 From: Souptick Joarder Date: Tue, 23 Oct 2018 09:32:22 +0530 Subject: [PATCH] drm/drm_pci.c: Use dma_zalloc_coherent Replace dma_alloc_coherent + memset with dma_zalloc_coherent. Signed-off-by: Souptick Joarder Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20181023040222.GA1540@jordon-HP-15-Notebook-PC --- 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 48f615d38931..a9d9df6c85ad 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;