From: Zhao Hongjiang <zhaohongjiang@huawei.com>
Date: Fri, 26 Apr 2013 03:03:53 +0000 (+0800)
Subject: aio: fix possible invalid memory access when DEBUG is enabled
X-Git-Tag: v3.2.45~117
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf0f91c05b5abf5fafa0b1118db4c33fc011fcd1;p=pandora-kernel.git

aio: fix possible invalid memory access when DEBUG is enabled

commit 91d80a84bbc8f28375cca7e65ec666577b4209ad upstream.

dprintk() shouldn't access @ring after it's unmapped.

Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 3.2: keep the second argument to kunmap_atomic()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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