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820116a39f
The function atomctrl_initialize_mc_reg_table() and atomctrl_initialize_mc_reg_table_v2_2() does not check the return value of smu_atom_get_data_table(). If smu_atom_get_data_table() fails to retrieve vram_info, it returns NULL which is later dereferenced. Fixes:b3892e2bb5("drm/amd/pp: Use atombios api directly in powerplay (v2)") Fixes:5f92b48cf6("drm/amd/pm: add mc register table initialization") Signed-off-by: Charles Han <hanchunchao@inspur.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>