drm/i915: Don't leak VBT mode data

We allocate memory for LVDS modes while parsing the VBT at startup, but
never free this memory when the driver is unloaded, causing a small
leak.

Signed-off-by: Matt Roper <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 066a0efa75d72a03ef4f645fc4734cb91c432f5a..c0695504dd8fa35e9bd793d31f85c9404b0f2db7 100644 (file)
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1137,6 +1137,10 @@ int i915_driver_unload(struct drm_device *dev)
                dev_priv->vbt.child_dev = NULL;
                dev_priv->vbt.child_dev_num = 0;
        }
+       kfree(dev_priv->vbt.sdvo_lvds_vbt_mode);
+       dev_priv->vbt.sdvo_lvds_vbt_mode = NULL;
+       kfree(dev_priv->vbt.lfp_lvds_vbt_mode);
+       dev_priv->vbt.lfp_lvds_vbt_mode = NULL;
 
        vga_switcheroo_unregister_client(dev->pdev);
        vga_client_register(dev->pdev, NULL, NULL, NULL);