In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check linkres->hpodplinkenc before using it [WHAT & HOW] Functions dpenablelinkphy and dpdisablelinkphy can pass linkres without initializing hpodplinkenc and it is necessary to check for null before dereferencing. This fixes 2 FORWARD_NULL issues reported by Coverity.
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