CVE-2024-26667 drm/msm/dpu: check for valid hw_pp in dpu_encoder_helper_phys_cleanup

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: check for valid hwpp in dpuencoderhelperphyscleanup 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...