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drm: Fix use-after-free in the shadow-attache exit code

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This regression has been introduced in

commit b3f2333de8
Author: Daniel Vetter <[email protected]>
Date:   Wed Dec 11 11:34:31 2013 +0100

    drm: restrict the device list for shadow attached drivers

Reported-by: Dave Jones <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Reviewed-by: David Herrmann <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
This commit is contained in:
Daniel Vetter 2014-01-30 17:58:38 +01:00 • committed by Dave Airlie
commit 27410e8248
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/drm_pci.c
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@ -468,8 +468,8 @@ void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver)
} else {
list_for_each_entry_safe(dev, tmp, &driver->legacy_dev_list,
legacy_dev_list) {
drm_put_dev(dev);
list_del(&dev->legacy_dev_list);
drm_put_dev(dev);
}
}
DRM_INFO("Module unloaded\n");