Re: [PATCH 4/7] net/bluetooth/rfcomm/core.c: fix error return code

[Marcel Holtmann <marcel-kz+m5ild9QBg9hUCZPvPmw@public.gmane.org>]

Hi Julia,

> Initialize return variable before exiting on an error path.
> 
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> (
> if@p1 (\(ret < 0\|ret != 0\))
>  { ... return ret; }
> |
> ret@p1 = 0
> )
> ... when != ret = e1
>     when != &ret
> *if(...)
> {
>   ... when != ret = e2
>       when forall
>  return ret;
> }
> 
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall-L2FTfq7BK8M@public.gmane.org>
> 
> ---
>  net/bluetooth/rfcomm/core.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Acked-by: Marcel Holtmann <marcel-kz+m5ild9QBg9hUCZPvPmw@public.gmane.org>

Regards

Marcel