From: Andrew Morton <akpm@linux-foundation.org>
Date: Tue, 26 Oct 2010 21:21:19 +0000 (-0700)
Subject: kfifo: disable __kfifo_must_check_helper()
X-Git-Tag: v2.6.37-rc1~105^2~166
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52c5171214ff3327961d0ce0db7e8d2ce55004fd;p=pandora-kernel.git

kfifo: disable __kfifo_must_check_helper()

This helper is wrong: it coerces signed values into unsigned ones, so code
such as

	if (kfifo_alloc(...) < 0) {
		error
	}

will fail to detect the error.

So let's disable __kfifo_must_check_helper() for 2.6.36.

Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Stefani Seibold <stefani@seibold.net>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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