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87d852afa2
In kpatch_unregister(), if kpatch_remove_patch succeeds but one of the subsequent ftrace unregistering calls fails, it returns an error and fails to module_put() the patch module, even though the patch has been removed. This causes the patch module to get stuck in a weird place where its patch has been unregistered but the patch module can't ever be removed. These errors aren't serious and wouldn't cause any real problems if they did somehow fail, so instead just WARN if they fail. |
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