drm/msm: fix leaks if initialization fails

We should free resources in unlikely case of allocation failure.

Signed-off-by: Pavel Machek <[email protected]>
Signed-off-by: Rob Clark <[email protected]>

Author: Pavel Machek

drivers/gpu/drm/msm/msm_drv.c

@@ -444,8 +444,10 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
 	if (!dev->dma_parms) {
 		dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
 					      GFP_KERNEL);
-		if (!dev->dma_parms)
-			return -ENOMEM;
+		if (!dev->dma_parms) {
+			ret = -ENOMEM;
+			goto err_msm_uninit;
+		}
 	}
 	dma_set_max_seg_size(dev, DMA_BIT_MASK(32));