On Wed, 13 Jan 2021 17:07:15 +0200, Kai Vehmanen wrote:
The earlier commit to fix runtime PM in case i915 init fails, introduces a possibility to hit a page fault.
snd_hdac_ext_bus_device_exit() is designed to be called from dev.release(). Calling it outside device reference counting, is not safe and may lead to calling the device_exit() function twice. Additionally, as part of ext_bus_device_init(), the device is also registered with snd_hdac_device_register(). Thus before calling device_exit(), the device must be removed from device hierarchy first.
[...]
Applied to
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
Thanks!
[1/1] ASoC: SOF: Intel: fix page fault at probe if i915 init fails commit: 9c25af250214e45f6d1c21ff6239a1ffeeedf20e
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Thanks, Mark