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authorAlex Deucher <alexander.deucher@amd.com>2013-04-12 19:15:52 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-11 13:54:06 -0700
commit1b441ba2cf1d50f57cb68d26d3303cb695df0f66 (patch)
treeee80aab5acbfa889746098fe1fb3ec0ee2255446
parent92f3345933a597abab9112d0127c29b9f4535b9a (diff)
drm/radeon: cleanup properly if mmio mapping fails
commit 0cd9cb76ae26a19df21abc6f94f5fff141e689c7 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 9c312f9afb68..bc36922d05f1 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -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;