gpu: ipu-v3: prg: fix device node leak in ipu_prg_lookup_by_phandle
authorTobias Jordan <Tobias.Jordan@elektrobit.com>
Thu, 15 Feb 2018 14:35:30 +0000 (15:35 +0100)
committerPhilipp Zabel <p.zabel@pengutronix.de>
Mon, 19 Feb 2018 14:12:59 +0000 (15:12 +0100)
Before returning, call of_node_put() for the device node returned by
of_parse_phandle().

Fixes: ea9c260514c1 ("gpu: ipu-v3: add driver for Prefetch Resolve Gasket")
Signed-off-by: Tobias Jordan <Tobias.Jordan@elektrobit.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
drivers/gpu/ipu-v3/ipu-prg.c

index 067365c..97b9950 100644 (file)
@@ -102,11 +102,14 @@ ipu_prg_lookup_by_phandle(struct device *dev, const char *name, int ipu_id)
                        mutex_unlock(&ipu_prg_list_mutex);
                        device_link_add(dev, prg->dev, DL_FLAG_AUTOREMOVE);
                        prg->id = ipu_id;
+                       of_node_put(prg_node);
                        return prg;
                }
        }
        mutex_unlock(&ipu_prg_list_mutex);
 
+       of_node_put(prg_node);
+
        return NULL;
 }