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Message-ID: <ZoY02KXZ3GyS7nXg@LouisNoVo>
Date: Thu, 4 Jul 2024 07:36:24 +0200
From: Louis Peens <louis.peens@...igine.com>
To: Chen Ni <nichen@...as.ac.cn>
Cc: kuba@...nel.org, davem@...emloft.net, edumazet@...gle.com,
pabeni@...hat.com, horms@...nel.org, yinjun.zhang@...igine.com,
johannes.berg@...el.com, ryno.swart@...igine.com,
ziyang.chen@...igine.com, linma@....edu.cn,
niklas.soderlund@...igine.com, oss-drivers@...igine.com,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] ntp: fix size argument for kcalloc
Wed, Jul 03, 2024 at 10:56:25AM +0800, Chen Ni wrote:
> The size argument to kcalloc should be the size of desired structure,
> not the pointer to it.
>
> Fixes: 6402528b7a0b ("nfp: xsk: add AF_XDP zero-copy Rx and Tx support")
> Signed-off-by: Chen Ni <nichen@...as.ac.cn>
> ---
> drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
> index 182ba0a8b095..768f22cd3d02 100644
> --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
> +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
> @@ -2539,7 +2539,7 @@ nfp_net_alloc(struct pci_dev *pdev, const struct nfp_dev_info *dev_info,
> nn->dp.num_r_vecs, num_online_cpus());
> nn->max_r_vecs = nn->dp.num_r_vecs;
>
> - nn->dp.xsk_pools = kcalloc(nn->max_r_vecs, sizeof(nn->dp.xsk_pools),
> + nn->dp.xsk_pools = kcalloc(nn->max_r_vecs, sizeof(*nn->dp.xsk_pools),
> GFP_KERNEL);
> if (!nn->dp.xsk_pools) {
> err = -ENOMEM;
> --
Looks good to me, thanks.
Signed-off-by: Louis Peens <louis.peens@...igine.com>
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