Re: [PATCH 2/7] drivers/net/ehea/ehea_main.c: Release mutex in errorhandling code

[Jeff Garzik]

Julia Lawall wrote:
> From: Julia Lawall <julia@xxxxxxx>
>
> The mutex is released on a successful return, so it would seem that it
> should be released on an error return as well.
>
> The semantic patch finds this problem is as follows:
> (http://www.emn.fr/x-info/coccinelle/)
>
> // <smpl>
> @@
> expression l;
> @@
>
> mutex_lock(l);
> ... when != mutex_unlock(l)
>     when any
>     when strict
> (
> if (...) { ... when != mutex_unlock(l)
> +   mutex_unlock(l);
>     return ...;
> }
> |
> mutex_unlock(l);
> )
> // </smpl>
>
> Signed-off-by: Julia Lawall <julia@xxxxxxx>

applied


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