Files
linux/drivers
Charles Han 820116a39f drm/amd/pp: Fix potential NULL pointer dereference in atomctrl_initialize_mc_reg_table
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>
2025-04-07 15:18:58 -04:00
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