6.10-stable review patch. If anyone has any objections, please let me know.
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From: Tim Huang tim.huang@amd.com
[ Upstream commit 92549780e32718d64a6d08bbbb3c6fffecb541c7 ]
This resolves the unchecded return value warning reported by Coverity.
Signed-off-by: Tim Huang tim.huang@amd.com Reviewed-by: Jesse Zhang jesse.zhang@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 35 ++++++++++++-------- 1 file changed, 21 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 7dc102f0bc1d3..0c8975ac5af9e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1018,8 +1018,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, if (clock_type == COMPUTE_ENGINE_PLL_PARAM) { args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, - sizeof(args)); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL;
dividers->post_div = args.v3.ucPostDiv; dividers->enable_post_div = (args.v3.ucCntlFlag & @@ -1039,8 +1040,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, if (strobe_mode) args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN;
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, - sizeof(args)); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL;
dividers->post_div = args.v5.ucPostDiv; dividers->enable_post_div = (args.v5.ucCntlFlag & @@ -1058,8 +1060,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, /* fusion */ args.v4.ulClock = cpu_to_le32(clock); /* 10 khz */
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, - sizeof(args)); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL;
dividers->post_divider = dividers->post_div = args.v4.ucPostDiv; dividers->real_clock = le32_to_cpu(args.v4.ulClock); @@ -1070,8 +1073,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, args.v6_in.ulClock.ulComputeClockFlag = clock_type; args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock); /* 10 khz */
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, - sizeof(args)); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL;
dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv); dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac); @@ -1113,8 +1117,9 @@ int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev, if (strobe_mode) args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN;
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, - sizeof(args)); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL;
mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac); mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv); @@ -1211,8 +1216,9 @@ int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type, args.v2.ucVoltageMode = 0; args.v2.usVoltageLevel = 0;
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, - sizeof(args)); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL;
*voltage = le16_to_cpu(args.v2.usVoltageLevel); break; @@ -1221,8 +1227,9 @@ int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type, args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL; args.v3.usVoltageLevel = cpu_to_le16(voltage_id);
- amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, - sizeof(args)); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL;
*voltage = le16_to_cpu(args.v3.usVoltageLevel); break;