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drm/nouveau: fix oopses caused by clear being called on unpopulated ttms

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-11-25 16:35:34 +10:00
commit a10e9e1dbb
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/nouveau/nouveau_sgdma.c
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@ -67,7 +67,10 @@ nouveau_sgdma_clear(struct ttm_backend *be)
pci_unmap_page(dev->pdev, nvbe->pages[nvbe->nr_pages],
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
}
nvbe->unmap_pages = false;
}
nvbe->pages = NULL;
}
static void