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drm/radeon: cleanup properly if mmio mapping fails

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If we fail to map the mmio BAR, skip driver tear down
that requires mmio.

Should fix:
https://bugzilla.kernel.org/show_bug.cgi?id=56541

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2013-04-12 19:15:52 -04:00
parent 2e97be73e5
commit 0cd9cb76ae
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/radeon/radeon_kms.c
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@ -50,9 +50,13 @@ int radeon_driver_unload_kms(struct drm_device *dev)
if (rdev == NULL)
return 0;
if (rdev->rmmio == NULL)
goto done_free;
radeon_acpi_fini(rdev);
radeon_modeset_fini(rdev);
radeon_device_fini(rdev);
done_free:
kfree(rdev);
dev->dev_private = NULL;
return 0;