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Change History

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

drm/msm/dpu: check for valid hw_pp in dpu_encoder_helper_phys_cleanup

The commit 8b45a26f2ba9 ("drm/msm/dpu: reserve cdm blocks for writeback
in case of YUV output") introduced a smatch warning about another
conditional block in dpu_encoder_helper_phys_cleanup() which had assumed
hw_pp will always be valid which may not necessarily be true.

Lets fix the other conditional block by making sure hw_pp is valid
before dereferencin

kernel.org https://git.kernel.org/stable/c/79592a6e7bdc1d05460c95f891f5e5263a107af8 [No types assigned]

kernel.org https://git.kernel.org/stable/c/7f3d03c48b1eb6bc45ab20ca98b8b11be25f9f52 [No types assigned]

kernel.org https://git.kernel.org/stable/c/eb4f56f3ff5799ca754ae6d811803a63fe25a4a2 [No types assigned]

kernel.org https://git.kernel.org/stable/c/fb8bfc6ea3cd8c5ac3d35711d064e2f6646aec17 [No types assigned]