drm/radeon: fix some memory leaks in extended table parsing

Forgot to free some structs when allocation fails for some
tables.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index 3791749..2e5ec65 100644 (file)
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -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);