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Change History

In the Linux kernel, the following vulnerability has been resolved:

drm/mediatek: dp: Change logging to dev for mtk_dp_aux_transfer()

Change logging from drm_{err,info}() to dev_{err,info}() in functions
mtk_dp_aux_transfer() and mtk_dp_aux_do_transfer(): this will be
essential to avoid getting NULL pointer kernel panics if any kind
of error happens during AUX transfers happening before the bridge
is attached.

This may potentially start happening in a later commit implementing
aux-bus support, as AUX transfers will be triggered from the panel
driver (for EDID) before the mtk-dp bridge gets attached, and it's
done in preparation for the same.

https://git.kernel.org/stable/c/4c743c1dd2ee2a72951660b6798d4d7f7674f87b

https://git.kernel.org/stable/c/7839f62294039959076dd06232e07aec7f7d5b2b

https://git.kernel.org/stable/c/fd70e2019bfbcb0ed90c5e23839bf510ce6acf8f