linux-kernel - [ 006/123] pnpacpi: fix incorrect TEST

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Message-Id: <20130109201459.173632461@linuxfoundation.org>
Date:	Wed,  9 Jan 2013 12:34:05 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: [ 006/123] pnpacpi: fix incorrect TEST_ALPHA() test

3.7-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alan Cox <alan@...rguk.ukuu.org.uk>

commit cdc87c5a30f407ed1ce43d8a22261116873d5ef1 upstream.

TEST_ALPHA() is broken and always returns 0.

[akpm@...ux-foundation.org: return false for '@' as well, per Bjorn]
Signed-off-by: Alan Cox <alan@...rguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/pnp/pnpacpi/core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -58,7 +58,7 @@ static inline int __init is_exclusive_de
 	if (!(('0' <= (c) && (c) <= '9') || ('A' <= (c) && (c) <= 'F'))) \
 		return 0
 #define TEST_ALPHA(c) \
-	if (!('@' <= (c) || (c) <= 'Z')) \
+	if (!('A' <= (c) && (c) <= 'Z')) \
 		return 0
 static int __init ispnpidacpi(const char *id)
 {


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