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Groups > linux.kernel > #1280481
| From | Brian Norris <computersforpeace@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/4] mtd: nand: sunxi: add missing of_node_put |
| Date | 2015-12-01 03:00 +0100 |
| Message-ID | <qAIox-360-3@gated-at.bofh.it> (permalink) |
| References | <qwjf4-Ju-5@gated-at.bofh.it> <qwjf5-Ju-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Nov 18, 2015 at 11:04:12PM +0100, Julia Lawall wrote:
> 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>
>
Pushed to l2-mtd.git
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[PATCH 2/4] mtd: nand: sunxi: add missing of_node_put Julia Lawall <Julia.Lawall@lip6.fr> - 2015-11-18 23:20 +0100 Re: [PATCH 2/4] mtd: nand: sunxi: add missing of_node_put Chen-Yu Tsai <wens@csie.org> - 2015-11-23 08:30 +0100 Re: [PATCH 2/4] mtd: nand: sunxi: add missing of_node_put Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-23 15:00 +0100 Re: [PATCH 2/4] mtd: nand: sunxi: add missing of_node_put Brian Norris <computersforpeace@gmail.com> - 2015-12-01 03:00 +0100
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