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Message-Id: <1249030558-24143-5-git-send-email-dfeng@redhat.com>
Date: Fri, 31 Jul 2009 16:55:58 +0800
From: Xiaotian Feng <dfeng@...hat.com>
To: airlied@...ux.ie, dri-devel@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org, Xiaotian Feng <dfeng@...hat.com>
Subject: [PATCH 4/4] gpu/drm: fix memory leak if dev->driver->load fails
Noticed a bundle of memory leaks after radeon_driver_load_kms fails.
After dev->driver->load failes, drm_get_dev doesn't free memories
allocated from drm_fill_in_dev.
Signed-off-by: Xiaotian Feng <dfeng@...hat.com>
---
drivers/gpu/drm/drm_stub.c | 14 ++++++++------
1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index fe7f5c4..db9057c 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -448,23 +448,23 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
pci_set_drvdata(pdev, dev);
ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
if (ret)
- goto err_g2;
+ goto err_g3;
}
if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
- goto err_g3;
+ goto err_g4;
if (dev->driver->load) {
ret = dev->driver->load(dev, ent->driver_data);
if (ret)
- goto err_g4;
+ goto err_g5;
}
/* setup the grouping for the legacy output */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group);
if (ret)
- goto err_g4;
+ goto err_g5;
}
list_add_tail(&dev->driver_item, &driver->device_list);
@@ -475,11 +475,13 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
return 0;
-err_g4:
+err_g5:
drm_put_minor(&dev->primary);
-err_g3:
+err_g4:
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_put_minor(&dev->control);
+err_g3:
+ drm_cleanup_dev(dev);
err_g2:
pci_disable_device(pdev);
err_g1:
--
1.6.2.5
--
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