Julia Lawall aa3312012f
drm/imx: imx-ldb: add missing of_node_puts ...
The device node iterators perform an of_node_get on each
iteration, so a jump out of the loop requires an of_node_put.
Move the initialization channel->child = child; down to just
before the call to imx_ldb_register so that intervening failures
don't need to clear it. Add a label at the end of the function to
do all the of_node_puts.
The semantic patch that finds part of this problem is as follows
(http://coccinelle.lip6.fr ):
// <smpl>
@@
expression root,e;
local idexpression child;
iterator name for_each_child_of_node;
@@
for_each_child_of_node(root, child) {
... when != of_node_put(child)
when != e = child
(
return child;
|
* return ...;
)
...
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr >
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de >
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aa3312012f