[media] v4l: xilinx-vipp: add missing of_node_put
for_each_child_of_node performs an of_node_get on each iteration, so a break out of the loop requires an of_node_put. A simplified version of the semantic patch that fixes this problem is as follows (http://coccinelle.lip6.fr): // <smpl> @@ expression root,e; local idexpression child; @@ for_each_child_of_node(root, child) { ... when != of_node_put(child) when != e = child ( return child; | + of_node_put(child); ? return ...; ) ... } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -476,8 +476,10 @@ static int xvip_graph_dma_init(struct xvip_composite_device *xdev)
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for_each_child_of_node(ports, port) {
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ret = xvip_graph_dma_init_one(xdev, port);
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if (ret < 0)
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if (ret < 0) {
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of_node_put(port);
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return ret;
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}
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}
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return 0;
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