On Mon, May 6, 2024 at 5:37 AM Tim Huang <[email protected]> wrote: > > Clear warning that read mc_data[i-1] may out-of-bounds. > > Signed-off-by: Tim Huang <[email protected]>
Reviewed-by: Alex Deucher <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c > index 52b12c1718eb..7dc102f0bc1d 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c > @@ -1484,6 +1484,8 @@ int amdgpu_atombios_init_mc_reg_table(struct > amdgpu_device *adev, > > (u32)le32_to_cpu(*((u32 *)reg_data + j)); > j++; > } else if > ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == > DATA_EQU_PREV) { > + if (i > == 0) > + > continue; > > reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = > > reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; > } > -- > 2.39.2 >
