drm: Don't swallow error codes in drm_dev_alloc()
There are many reasons other than ENOMEM that drm_dev_init() can
fail. Return ERR_PTR rather than NULL to be able to distinguish
these in the caller.
Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20160921145919.13754-2-teg@jklm.no
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index d86362f..3ceea9c 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -236,8 +236,8 @@
DRM_DEBUG("\n");
dev = drm_dev_alloc(driver, &pdev->dev);
- if (!dev)
- return -ENOMEM;
+ if (IS_ERR(dev))
+ return PTR_ERR(dev);
ret = pci_enable_device(pdev);
if (ret)