drm/radeon: fix some memory leaks in extended table parsing (f907eec0) · Commits · 戴 / test

drivers/gpu/drm/radeon/r600_dpm.c

+11 −2

Original line number	Diff line number	Diff line
		@@ -878,8 +878,12 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
		kzalloc(psl->ucNumEntries *
		sizeof(struct radeon_phase_shedding_limits_entry),
		GFP_KERNEL);
		if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries)
		if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) {
		kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
		kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
		kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
		return -ENOMEM;
		}

		for (i = 0; i < psl->ucNumEntries; i++) {
		rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk =
		@@ -946,8 +950,13 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
		le16_to_cpu(ext_hdr->usPPMTableOffset));
		rdev->pm.dpm.dyn_state.ppm_table =
		kzalloc(sizeof(struct radeon_ppm_table), GFP_KERNEL);
		if (!rdev->pm.dpm.dyn_state.ppm_table)
		if (!rdev->pm.dpm.dyn_state.ppm_table) {
		kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
		kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
		kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
		kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries);
		return -ENOMEM;
		}
		rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
		rdev->pm.dpm.dyn_state.ppm_table->cpu_core_number =
		le16_to_cpu(ppm->usCpuCoreNumber);