Re: [PATCH 6/9] Bluetooth: btmrvl: add missing of_node_put

From: Marcel Holtmann
Date: Sun Oct 25 2015 - 15:55:10 EST


Hi Julia,

> for_each_compatible_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 e;
> local idexpression n;
> @@
>
> for_each_compatible_node(n, ...) {
> ... when != of_node_put(n)
> when != e = n
> (
> return n;
> |
> + of_node_put(n);
> ? return ...;
> )
> ...
> }
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> ---
> drivers/bluetooth/btmrvl_main.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel

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