linux-kernel - [PATCH] hdaps: Shut up gcc uninitialized variable warnings

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Message-Id: <1322143291-5286-1-git-send-email-bp@alien8.de>
Date:	Thu, 24 Nov 2011 15:01:31 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Borislav Petkov <bp@...en8.de>, Frank Seidel <frank@...eidel.de>,
	Matthew Garrett <mjg@...hat.com>,
	platform-driver-x86@...r.kernel.org
Subject: [PATCH] hdaps: Shut up gcc uninitialized variable warnings

Turn off the following triggered with gcc 4.6.1 on Debian testing:

drivers/platform/x86/hdaps.c: In function ‘hdaps_temp2_show’:
drivers/platform/x86/hdaps.c:398:16: warning: ‘temp’ may be used uninitialized in this function [-Wuninitialized]
drivers/platform/x86/hdaps.c: In function ‘hdaps_temp1_show’:
drivers/platform/x86/hdaps.c:385:16: warning: ‘temp’ may be used uninitialized in this function [-Wuninitialized]

Cc: Frank Seidel <frank@...eidel.de>
Cc: Matthew Garrett <mjg@...hat.com>
Cc: platform-driver-x86@...r.kernel.org
Signed-off-by: Borislav Petkov <bp@...en8.de>
---
 drivers/platform/x86/hdaps.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c
index 5a34973..2fdacc2 100644
--- a/drivers/platform/x86/hdaps.c
+++ b/drivers/platform/x86/hdaps.c
@@ -375,7 +375,7 @@ static ssize_t hdaps_variance_show(struct device *dev,
 static ssize_t hdaps_temp1_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
-	u8 temp;
+	u8 uninitialized_var(temp);
 	int ret;
 
 	ret = hdaps_readb_one(HDAPS_PORT_TEMP1, &temp);
@@ -388,7 +388,7 @@ static ssize_t hdaps_temp1_show(struct device *dev,
 static ssize_t hdaps_temp2_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
-	u8 temp;
+	u8 uninitialized_var(temp);
 	int ret;
 
 	ret = hdaps_readb_one(HDAPS_PORT_TEMP2, &temp);
-- 
1.7.8.rc0.35.gee6df

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