From: Johannes Berg <johannes@sipsolutions.net>
To: Patrick Simmons <linuxrocks123@netscape.net>
Cc: linux-wireless@vger.kernel.org, Daniel Drake <dsd@gentoo.org>,
Ulrich Kunitz <kune@deine-taler.de>
Subject: Re: [PATCH] Fix SPARC64 unaligned access in zd_mac_rx
Date: Fri, 31 Jul 2009 10:39:43 +0200 [thread overview]
Message-ID: <1249029583.29587.46.camel@johannes.local> (raw)
In-Reply-To: <4A72A462.6060107@netscape.net>
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On Fri, 2009-07-31 at 01:59 -0600, Patrick Simmons wrote:
> I'm running zd1211rw on SPARC64 and was getting a lot of "unaligned
> access" messages in dmesg. I tracked the problem down to this line, and
> changing the cast to a memcpy fixes the issue.
>
> - fc = *(__le16 *)buffer;
> + memcpy(&fc,buffer,sizeof(__le16));
> need_padding = ieee80211_is_data_qos(fc) ^ ieee80211_has_a4(fc);
Please use get_unaligned instead.
johannes
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next prev parent reply other threads:[~2009-07-31 8:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-31 7:59 [PATCH] Fix SPARC64 unaligned access in zd_mac_rx Patrick Simmons
2009-07-31 8:39 ` Johannes Berg [this message]
2009-08-01 5:23 ` David Miller
2009-08-01 10:40 ` Michael Buesch
2009-08-01 16:12 ` David Miller
2009-08-02 1:41 ` Patrick Simmons
2009-08-02 7:50 ` Johannes Berg
2009-08-02 8:24 ` Patrick Simmons
2009-08-02 8:34 ` Johannes Berg
2009-08-02 8:45 ` Patrick Simmons
2009-08-02 8:46 ` [PATCH] zd1211rw: fix " Patrick Simmons
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