Commit 9ccb1d53 authored Feb 15, 2018 by Tobias Jordan Committed by Greg Kroah-Hartman May 30, 2018

gpu: ipu-v3: pre: fix device node leak in ipu_pre_lookup_by_phandle



[ Upstream commit c795f3052b60b01e80485fad98c53e5e67d093c9 ]

Before returning, call of_node_put() for the device node returned by
of_parse_phandle().

Fixes: d2a34232 ("gpu: ipu-v3: add driver for Prefetch Resolve Engine")
Signed-off-by: Tobias Jordan <Tobias.Jordan@elektrobit.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 8dcb7ddb

drivers/gpu/ipu-v3/ipu-pre.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -125,11 +125,14 @@ ipu_pre_lookup_by_phandle(struct device dev, const char name, int index)
		if (pre_node == pre->dev->of_node) {
		mutex_unlock(&ipu_pre_list_mutex);
		device_link_add(dev, pre->dev, DL_FLAG_AUTOREMOVE);
		of_node_put(pre_node);
		return pre;
		}
		}
		mutex_unlock(&ipu_pre_list_mutex);

		of_node_put(pre_node);

		return NULL;
		}