⬢ DragonFlyBSD Kernel Audit
DF-3973 / fix.diff
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--- a/sys/dev/drm/radeon/rv770_dpm.c
+++ b/sys/dev/drm/radeon/rv770_dpm.c
@@ -2306,6 +2306,7 @@
 			ps = kzalloc(sizeof(struct rv7xx_ps), GFP_KERNEL);
 			if (ps == NULL) {
 				kfree(rdev->pm.dpm.ps);
+				rdev->pm.dpm.ps = NULL;
 				return -ENOMEM;
 			}
 			rdev->pm.dpm.ps[i].ps_priv = ps;
--- a/sys/dev/drm/radeon/r600_dpm.c
+++ b/sys/dev/drm/radeon/r600_dpm.c
@@ -1301,17 +1301,29 @@
 	struct radeon_dpm_dynamic_state *dyn_state = &rdev->pm.dpm.dyn_state;
 
 	kfree(dyn_state->vddc_dependency_on_sclk.entries);
+	dyn_state->vddc_dependency_on_sclk.entries = NULL;
 	kfree(dyn_state->vddci_dependency_on_mclk.entries);
+	dyn_state->vddci_dependency_on_mclk.entries = NULL;
 	kfree(dyn_state->vddc_dependency_on_mclk.entries);
+	dyn_state->vddc_dependency_on_mclk.entries = NULL;
 	kfree(dyn_state->mvdd_dependency_on_mclk.entries);
+	dyn_state->mvdd_dependency_on_mclk.entries = NULL;
 	kfree(dyn_state->cac_leakage_table.entries);
+	dyn_state->cac_leakage_table.entries = NULL;
 	kfree(dyn_state->phase_shedding_limits_table.entries);
+	dyn_state->phase_shedding_limits_table.entries = NULL;
 	kfree(dyn_state->ppm_table);
+	dyn_state->ppm_table = NULL;
 	kfree(dyn_state->cac_tdp_table);
+	dyn_state->cac_tdp_table = NULL;
 	kfree(dyn_state->vce_clock_voltage_dependency_table.entries);
+	dyn_state->vce_clock_voltage_dependency_table.entries = NULL;
 	kfree(dyn_state->uvd_clock_voltage_dependency_table.entries);
+	dyn_state->uvd_clock_voltage_dependency_table.entries = NULL;
 	kfree(dyn_state->samu_clock_voltage_dependency_table.entries);
+	dyn_state->samu_clock_voltage_dependency_table.entries = NULL;
 	kfree(dyn_state->acp_clock_voltage_dependency_table.entries);
+	dyn_state->acp_clock_voltage_dependency_table.entries = NULL;
 }
 
 enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,