GPU-DRM-GMA500: Delete unnecessary checks before two function calls

The functions pci_dev_put() and psb_intel_i2c_destroy() test whether
their argument is NULL and then return immediately.
Thus the tests around their calls are not needed.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/f1a0fd83-4320-f3db-e1bb-3b9832a4429f@users.sourceforge.net

drivers/gpu/drm/gma500/cdv_intel_hdmi.c

@@ -246,7 +246,6 @@ static void cdv_hdmi_destroy(struct drm_connector *connector)
 {
 	struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
 
-	if (gma_encoder->i2c_bus)
 	psb_intel_i2c_destroy(gma_encoder->i2c_bus);
 	drm_connector_unregister(connector);
 	drm_connector_cleanup(connector);

drivers/gpu/drm/gma500/cdv_intel_lvds.c

@@ -444,7 +444,6 @@ static void cdv_intel_lvds_destroy(struct drm_connector *connector)
 {
 	struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
 
-	if (gma_encoder->i2c_bus)
 	psb_intel_i2c_destroy(gma_encoder->i2c_bus);
 	drm_connector_unregister(connector);
 	drm_connector_cleanup(connector);
@@ -780,11 +779,9 @@ void cdv_intel_lvds_init(struct drm_device *dev,
 failed_find:
 	mutex_unlock(&dev->mode_config.mutex);
 	printk(KERN_ERR "Failed find\n");
-	if (gma_encoder->ddc_bus)
 	psb_intel_i2c_destroy(gma_encoder->ddc_bus);
 failed_ddc:
 	printk(KERN_ERR "Failed DDC\n");
-	if (gma_encoder->i2c_bus)
 	psb_intel_i2c_destroy(gma_encoder->i2c_bus);
 failed_blc_i2c:
 	printk(KERN_ERR "Failed BLC\n");

drivers/gpu/drm/gma500/psb_drv.c

@@ -210,9 +210,7 @@ static int psb_driver_unload(struct drm_device *dev)
 			iounmap(dev_priv->aux_reg);
 			dev_priv->aux_reg = NULL;
 		}
-		if (dev_priv->aux_pdev)
 		pci_dev_put(dev_priv->aux_pdev);
-		if (dev_priv->lpc_pdev)
 		pci_dev_put(dev_priv->lpc_pdev);
 
 		/* Destroy VBT data */

drivers/gpu/drm/gma500/psb_intel_lvds.c

@@ -561,7 +561,6 @@ void psb_intel_lvds_destroy(struct drm_connector *connector)
 	struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
 	struct psb_intel_lvds_priv *lvds_priv = gma_encoder->dev_priv;
 
-	if (lvds_priv->ddc_bus)
 	psb_intel_i2c_destroy(lvds_priv->ddc_bus);
 	drm_connector_unregister(connector);
 	drm_connector_cleanup(connector);
@@ -835,10 +834,8 @@ void psb_intel_lvds_init(struct drm_device *dev,
 
 failed_find:
 	mutex_unlock(&dev->mode_config.mutex);
-	if (lvds_priv->ddc_bus)
 	psb_intel_i2c_destroy(lvds_priv->ddc_bus);
 failed_ddc:
-	if (lvds_priv->i2c_bus)
 	psb_intel_i2c_destroy(lvds_priv->i2c_bus);
 failed_blc_i2c:
 	drm_encoder_cleanup(encoder);