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From: David Miller <davem@davemloft.net>
To: xemul@openvz.org
Cc: netdev@axxeo.de, johannes@sipsolutions.net,
	linville@tuxdriver.com, linux-wireless@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH 1/4][MAC80211]: Fix GFP_KERNEL allocation under read lock.
Date: Tue, 06 May 2008 13:40:47 -0700 (PDT)	[thread overview]
Message-ID: <20080506.134047.86330538.davem@davemloft.net> (raw)
In-Reply-To: <4820997E.1070305@openvz.org>

From: Pavel Emelyanov <xemul@openvz.org>
Date: Tue, 06 May 2008 21:46:38 +0400

> I do not quite like doing so. Since this relies on fact that kfree bears
> NULL pointers. But if we ever switch from kmalloc to kmem_cache_alloc,
> this will result in an oops.

The whole reason we made kfree allow NULL points is so that
checks for it would be ommitted at kfree calls sides, whether
they be direct or indirect.

Adding the check for some theoretical-or-not future change is
rediculious.

  reply	other threads:[~2008-05-06 20:40 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-06 14:46 [PATCH 1/4][MAC80211]: Fix GFP_KERNEL allocation under read lock Pavel Emelyanov
2008-05-06 16:40 ` Ingo Oeser
2008-05-06 17:46   ` Pavel Emelyanov
2008-05-06 20:40     ` David Miller [this message]
2008-05-07  5:54       ` Pavel Emelyanov
2008-05-07  5:59         ` David Miller
2008-05-08 18:51           ` John W. Linville
2008-05-08 18:53             ` John W. Linville
2008-05-06 21:12   ` Johannes Berg

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