linux-kernel - Re: [PATCH 03/14] dpaa2-eth: drop double zeroing

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Message-Id: <20200920.190929.1753681394804258381.davem@davemloft.net>
Date:   Sun, 20 Sep 2020 19:09:29 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     Julia.Lawall@...ia.fr
Cc:     ioana.ciornei@....com, kernel-janitors@...r.kernel.org,
        ruxandra.radulescu@....com, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/14] dpaa2-eth: drop double zeroing

From: Julia Lawall <Julia.Lawall@...ia.fr>
Date: Sun, 20 Sep 2020 13:26:15 +0200

> sg_init_table zeroes its first argument, so the allocation of that argument
> doesn't have to.
> 
> the semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@
> expression x,n,flags;
> @@
> 
> x = 
> - kcalloc
> + kmalloc_array
>   (n,sizeof(struct scatterlist),flags)
> ...
> sg_init_table(x,n)
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...ia.fr>

Applied.