linux-kernel - [PATCH 3.2 007/104] rtlwifi: rtl8192c: Fix W=1 warning

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Message-ID: <lsq.1520823814.221407021@decadent.org.uk>
Date:   Mon, 12 Mar 2018 03:03:34 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org,
        "Larry Finger" <Larry.Finger@...inger.net>,
        "John W. Linville" <linville@...driver.com>
Subject: [PATCH 3.2 007/104] rtlwifi: rtl8192c: Fix W=1 warning

3.2.101-rc1 review patch.  If anyone has any objections, please let me know.

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

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

commit 8a8e31cc22739d1a5780591c008940292edcde87 upstream.

When this driver is built with "make W=1", the following warning occurs:

drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:907:4: warning: comparison is always false due to limited range of data type [-Wtype-limits]

Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
@@ -672,7 +672,8 @@ static void rtl92c_dm_txpower_tracking_c
 	u8 thermalvalue, delta, delta_lck, delta_iqk;
 	long ele_a, ele_d, temp_cck, val_x, value32;
 	long val_y, ele_c = 0;
-	u8 ofdm_index[2], cck_index = 0, ofdm_index_old[2], cck_index_old = 0;
+	u8 ofdm_index[2], ofdm_index_old[2], cck_index_old = 0;
+	s8 cck_index = 0;
 	int i;
 	bool is2t = IS_92C_SERIAL(rtlhal->version);
 	s8 txpwr_level[2] = {0, 0};