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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-08-10 06:48:58 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-08-12 01:38:29 +0200 |
| commit | a30f6fb7ce86275af16c7a00dc1b1e46cbb99692 (patch) | |
| tree | 2097765b7dd20577bca52781d7f216c9d1829244 /drivers/gpu/drm/ati_pcigart.c | |
| parent | drm: Remove count_lock for calling lastclose() after 58474713 (v2) (diff) | |
| download | linux-a30f6fb7ce86275af16c7a00dc1b1e46cbb99692.tar.xz linux-a30f6fb7ce86275af16c7a00dc1b1e46cbb99692.zip | |
drm/radeon: Fix pci_map_page() error checking
0 is a valid DMA address from pci_map_page(), use pci_dma_mapping_error()
instead to check for errors
[airlied: fix warning + two other places with errors.]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/ati_pcigart.c')
| -rw-r--r-- | drivers/gpu/drm/ati_pcigart.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ati_pcigart.c b/drivers/gpu/drm/ati_pcigart.c index 17be051b7aa3..1c3649242208 100644 --- a/drivers/gpu/drm/ati_pcigart.c +++ b/drivers/gpu/drm/ati_pcigart.c @@ -152,7 +152,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga /* we need to support large memory configurations */ entry->busaddr[i] = pci_map_page(dev->pdev, entry->pagelist[i], 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - if (entry->busaddr[i] == 0) { + if (pci_dma_mapping_error(dev->pdev, entry->busaddr[i])) { DRM_ERROR("unable to map PCIGART pages!\n"); drm_ati_pcigart_cleanup(dev, gart_info); address = NULL; |