Re: [PATCH 3/9] drivers/net: Eliminate useless code

From: Julia Lawall
Date: Mon Jan 18 2010 - 00:47:38 EST


On Sun, 17 Jan 2010, David Miller wrote:

> From: Julia Lawall <julia@xxxxxxx>
> Date: Sat, 16 Jan 2010 16:57:56 +0100 (CET)
>
> > The variable qdev is initialized twice to the same (side effect-free)
> > expression. Drop one initialization.
> >
> > A simplified version of the semantic match that finds this problem is:
> > (http://coccinelle.lip6.fr/)
> >
> > // <smpl>
> > @forall@
> > idexpression *x;
> > identifier f!=ERR_PTR;
> > @@
> >
> > x = f(...)
> > ... when != x
> > (
> > x = f(...,<+...x...+>,...)
> > |
> > * x = f(...)
> > )
> > // </smpl>
> >
> > Signed-off-by: Julia Lawall <julia@xxxxxxx>
>
> Something in your patch creation process is corrupting these
> patches.
>
> > diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
> > index f922294..4ef0afb 100644
> > --- a/drivers/net/qla3xxx.c
> > +++ b/drivers/net/qla3xxx.c
> > @@ -4087,9 +4087,8 @@ static void __devexit ql3xxx_remove(struct pci_dev *pdev)
> > struct ql3_adapter *qdev = netdev_priv(ndev);
> >
> > unregister_netdev(ndev);
> > - qdev = netdev_priv(ndev);
> >
> > ql_disable_interrupts(qdev);
> >
> > --
>
> That hunk header states that after the line is removed there should
> be 8 lines present in the hunk, but the patch only shows 7 such
> lines.
>
> I suspect something is eating the final line of your patches.

Oops, sorry. I will try again. I'm surprised that checkpatch didn't
complain.

julia
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