drm/mgag200: Use pcim_enable_device()

Using the managed function simplifies the error handling. After
unloading the driver, the PCI device should now get disabled as
well.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200605135803.19811-4-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
index 00ddea7..140ae86 100644 (file)
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -52,15 +52,13 @@ static int mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, "mgag200drmfb");
 
-       ret = pci_enable_device(pdev);
+       ret = pcim_enable_device(pdev);
        if (ret)
                return ret;
 
        dev = drm_dev_alloc(&driver, &pdev->dev);
-       if (IS_ERR(dev)) {
-               ret = PTR_ERR(dev);
-               goto err_pci_disable_device;
-       }
+       if (IS_ERR(dev))
+               return PTR_ERR(dev);
 
        dev->pdev = pdev;
        pci_set_drvdata(pdev, dev);
@@ -81,8 +79,6 @@ err_mgag200_driver_unload:
        mgag200_driver_unload(dev);
 err_drm_dev_put:
        drm_dev_put(dev);
-err_pci_disable_device:
-       pci_disable_device(pdev);
        return ret;
 }