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Change History

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

ALSA: hda/hdmi: Fix breakage at probing nvhdmi-mcp driver

After restructuring and splitting the HDMI codec driver code, each
HDMI codec driver contains the own build_controls and build_pcms ops.
A copy-n-paste error put the wrong entries for nvhdmi-mcp driver; both
build_controls and build_pcms are swapped.  Unfortunately both
callbacks have the very same form, and the compiler didn't complain
it, either.  This resulted in a NULL dereference because the PCM
instance hasn't been initialized at calling the build_controls
callback.

Fix it by passing the proper entries.

https://git.kernel.org/stable/c/82420bd4e17bdaba8453fbf9e10c58c9ed0c9727

https://git.kernel.org/stable/c/d2aed6fac1148528181affb781aa683d6569042b