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SubjectRe: [PATCH 10/14] drivers/isdn: delete double assignment


Julia Lawall schrieb:
> From: Julia Lawall <julia@diku.dk>
>
> Delete successive assignments to the same location. In the first case, the
> hscx array has two elements, so change the assignment to initialize the
> second one. In the second case, the two assignments are simply identical.
>
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@
> expression i;
> @@
>
> *i = ...;
> i = ...;
> // </smpl>
>
> Signed-off-by: Julia Lawall <julia@diku.dk>
>
> ---
> In the first case, the patch changes the semantics and has not been tested.
>
> drivers/isdn/hardware/mISDN/mISDNinfineon.c | 2 +-
> drivers/isdn/hisax/l3_1tr6.c | 2 --
> 2 files changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/isdn/hardware/mISDN/mISDNinfineon.c b/drivers/isdn/hardware/mISDN/mISDNinfineon.c
> index af25e1f..e90db88 100644
> --- a/drivers/isdn/hardware/mISDN/mISDNinfineon.c
> +++ b/drivers/isdn/hardware/mISDN/mISDNinfineon.c
> @@ -563,7 +563,7 @@ reset_inf(struct inf_hw *hw)
> mdelay(10);
> hw->ipac.isac.adf2 = 0x87;
> hw->ipac.hscx[0].slot = 0x1f;
> - hw->ipac.hscx[0].slot = 0x23;
> + hw->ipac.hscx[1].slot = 0x23;
> break;
> case INF_GAZEL_R753:
> val = inl((u32)hw->cfg.start + GAZEL_CNTRL);
> diff --git a/drivers/isdn/hisax/l3_1tr6.c b/drivers/isdn/hisax/l3_1tr6.c
> index b0554f8..a5c76fc 100644
> --- a/drivers/isdn/hisax/l3_1tr6.c
> +++ b/drivers/isdn/hisax/l3_1tr6.c
> @@ -164,8 +164,6 @@ l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
> char tmp[80];
> struct sk_buff *skb = arg;
>
> - p = skb->data;
> -
> /* Channel Identification */
> p = skb->data;
> if ((p = findie(p, skb->len, WE0_chanID, 0))) {
>


perhaps you can move the next assignment out of if also ?

p = findie(skb->data, skb->len, WE0_chanID, 0);
if (p) { ....

re,
wh

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>


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