CVE-2024-53200 — drm/amd/display: Fix null check for pipe_ctx->plane_state in hwss_setup_dpp

Affected: Linux

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

drm/amd/display: Fix null check for pipe_ctx->plane_state in hwss_setup_dpp

This commit addresses a null pointer dereference issue in hwss_setup_dpp(). The issue could occur when pipe_ctx->plane_state is null. The fix adds a check to ensure `pipe_ctx->plane_state` is not null before accessing. This prevents a null pointer dereference.

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CVE-2024-53200 — drm/amd/display: Fix null check for pipe_ctx->plane_state in hwss_setup_dpp