From: Valentine Barshak <vbarshak@ru.mvista.com>
To: Oliver Neukum <oliver@neukum.org>
Cc: netdev@vger.kernel.org, linux-usb-devel@lists.sourceforge.net
Subject: Re: [PATCH] USB: net: Fix asix read transfer buffer allocations.
Date: Mon, 22 Oct 2007 23:22:59 +0400 [thread overview]
Message-ID: <471CF893.3050605@ru.mvista.com> (raw)
In-Reply-To: <200710221929.04035.oliver@neukum.org>
Oliver Neukum wrote:
> Am Montag 22 Oktober 2007 schrieb Valentine Barshak:
>> static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
>> {
>> struct usbnet *dev = netdev_priv(netdev);
>> + void *buf;
>> u16 res;
>>
>> mutex_lock(&dev->phy_mutex);
>> asix_set_sw_mii(dev);
>> +
>> + buf = kmalloc(2, GFP_KERNEL);
>
> This is done under lock. Can you allocate the buffer once and reuse it?
>
> Regards
> Oliver
>
I think we can use 2 bytes of the usbnet data buffer for this.
I'll submit a new patch soon.
Thanks,
Valentine.
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next prev parent reply other threads:[~2007-10-22 19:22 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-22 15:50 [PATCH] USB: net: Fix asix read transfer buffer allocations Valentine Barshak
2007-10-22 17:29 ` Oliver Neukum
2007-10-22 19:22 ` Valentine Barshak [this message]
2007-10-23 17:00 ` Ingo Oeser
2007-10-23 17:20 ` Valentine Barshak
2007-10-23 17:40 ` Valentine Barshak
2007-10-23 20:00 ` David Brownell
2007-10-24 11:24 ` Valentine Barshak
2007-10-24 11:33 ` Valentine Barshak
2007-10-24 11:33 ` Valentine Barshak
2007-10-24 11:59 ` David Hollis
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