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From: Robert Eshleman <bobbyeshleman@gmail.com>
To: Robert Eshleman <bobbyeshleman@gmail.com>
Cc: Tariq Toukan <tariqt@mellanox.com>,
	"David S. Miller" <davem@davemloft.net>,
	Russell King <linux@armlinux.org.uk>,
	netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 7/8] net: seeq: replace kmalloc / memset(,0) with kzalloc
Date: Wed, 27 Feb 2019 16:48:00 -0800	[thread overview]
Message-ID: <20190228004800.GA26378@bobby.localdomain> (raw)
In-Reply-To: <5ff7bcf7b8db8daa129703e5f7b632825f25c766.1551246708.git.bobbyeshleman@gmail.com>

On Tue, Feb 26, 2019 at 10:09:54PM -0800, Robert Eshleman wrote:
> This patch reduces a call to memset(,0) by replacing
> a kmalloc call with a kzalloc call.
> 
> Signed-off-by: Robert Eshleman <bobbyeshleman@gmail.com>
> ---
>  drivers/net/ethernet/seeq/ether3.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/seeq/ether3.c b/drivers/net/ethernet/seeq/ether3.c
> index d1bb73bf9914..7456cf08a48f 100644
> --- a/drivers/net/ethernet/seeq/ether3.c
> +++ b/drivers/net/ethernet/seeq/ether3.c
> @@ -223,7 +223,7 @@ ether3_addr(char *addr, struct expansion_card *ec)
>  static int
>  ether3_ramtest(struct net_device *dev, unsigned char byte)
>  {
> -	unsigned char *buffer = kmalloc(RX_END, GFP_KERNEL);
> +	unsigned char *buffer = kzalloc(RX_END, GFP_KERNEL);
>  	int i,ret = 0;
>  	int max_errors = 4;
>  	int bad = -1;
> @@ -231,7 +231,6 @@ ether3_ramtest(struct net_device *dev, unsigned char byte)
>  	if (!buffer)
>  		return 1;
>  
> -	memset(buffer, byte, RX_END);

Byte is not zero, so the intent of this patch does not apply here.
Dropping this from the patch set in v2.


>  	ether3_setbuffer(dev, buffer_write, 0);
>  	ether3_writebuffer(dev, buffer, TX_END);
>  	ether3_setbuffer(dev, buffer_write, RX_START);
> -- 
> 2.20.1
> 

  reply	other threads:[~2019-02-28  0:47 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-27  6:04 [PATCH 0/8] net: ethernet: reduce calls to memset(,0) Robert Eshleman
2019-02-27  6:09 ` [PATCH 2/8] net/mlxsw: use pci_zalloc_consistent instead of pci_alloc_consistent Robert Eshleman
2019-02-27  6:09 ` [PATCH 3/8] tlan: use pci_zalloc instead of pci_alloc Robert Eshleman
2019-02-27  6:22   ` Joe Perches
2019-02-28  0:41     ` Robert Eshleman
2019-02-27  6:09 ` [PATCH 4/8] qed: remove unnecessary memsets Robert Eshleman
2019-02-27 12:39   ` Michal Kalderon
2019-02-27  6:09 ` [PATCH 5/8] at12: use pci_zalloc instead of pci_alloc Robert Eshleman
2019-02-28 14:00   ` Christoph Hellwig
2019-02-27  6:09 ` [PATCH 6/8] netxen: remove unnecessary memset(,0) calls Robert Eshleman
2019-02-27  6:09 ` [PATCH 7/8] net: seeq: replace kmalloc / memset(,0) with kzalloc Robert Eshleman
2019-02-28  0:48   ` Robert Eshleman [this message]
2019-02-27  6:09 ` [PATCH 8/8] net: ethernet: ixp4xx_eth: remove memset(,0) with zalloc Robert Eshleman
2019-02-27  6:09 ` [PATCH 1/8] net/mlx4: use kzalloc instead of kmalloc Robert Eshleman
2019-02-28  8:40   ` Tariq Toukan
2019-02-28 14:25 ` [PATCH 0/8] net: ethernet: reduce calls to memset(,0) Christoph Hellwig

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