linux-kernel - [ 08/56] rtlwifi: rtl8192se: Fix gcc 4.7.x warning

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Message-Id: <20121130185119.192350431@linuxfoundation.org>
Date:	Fri, 30 Nov 2012 10:55:00 -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, Larry Finger <Larry.Finger@...inger.net>,
	"John W. Linville" <linville@...driver.com>
Subject: [ 08/56] rtlwifi: rtl8192se: Fix gcc 4.7.x warning

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

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

From: Larry Finger <Larry.Finger@...inger.net>

commit f761b6947dde42890beea59b020e1be87491809e upstream.

With gcc 4.7.x, the following warning is issued as the routine that sets
the array has the possibility of not initializing the values:

  CC [M]  drivers/net/wireless/rtlwifi/rtl8192se/phy.o
drivers/net/wireless/rtlwifi/rtl8192se/phy.c: In function ‘rtl92s_phy_set_txpower’:
drivers/net/wireless/rtlwifi/rtl8192se/phy.c:1268:23: warning: ‘ofdmpowerLevel[0]’ may be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/wireless/rtlwifi/rtl8192se/phy.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
@@ -1247,6 +1247,9 @@ static void _rtl92s_phy_get_txpower_inde
 		/* Read HT 40 OFDM TX power */
 		ofdmpowerLevel[0] = rtlefuse->txpwrlevel_ht40_2s[0][index];
 		ofdmpowerLevel[1] = rtlefuse->txpwrlevel_ht40_2s[1][index];
+	} else {
+		ofdmpowerLevel[0] = 0;
+		ofdmpowerLevel[1] = 0;
 	}
 }
 


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