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Date: Sun, 20 Sep 2020 13:26:15 +0200 From: Julia Lawall <Julia.Lawall@...ia.fr> To: Ioana Ciornei <ioana.ciornei@....com> Cc: kernel-janitors@...r.kernel.org, Ioana Radulescu <ruxandra.radulescu@....com>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 03/14] dpaa2-eth: drop double zeroing 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> --- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -u -p a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -607,7 +607,7 @@ static int dpaa2_eth_build_sg_fd(struct if (unlikely(PAGE_SIZE / sizeof(struct scatterlist) < nr_frags + 1)) return -EINVAL; - scl = kcalloc(nr_frags + 1, sizeof(struct scatterlist), GFP_ATOMIC); + scl = kmalloc_array(nr_frags + 1, sizeof(struct scatterlist), GFP_ATOMIC); if (unlikely(!scl)) return -ENOMEM;
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