Return-path: Received: from mail-ob0-f169.google.com ([209.85.214.169]:40210 "EHLO mail-ob0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754459Ab3IYR6M (ORCPT ); Wed, 25 Sep 2013 13:58:12 -0400 From: Larry Finger To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, Larry Finger , netdev@vger.kernel.org Subject: [PATCH 4/8 V4] rtlwifi: rtl8192_common: Fix smatch errors and warnings in rtl8192c/dm_common.c Date: Wed, 25 Sep 2013 12:57:45 -0500 Message-Id: <1380131869-19185-5-git-send-email-Larry.Finger@lwfinger.net> (sfid-20130925_221659_413871_604C04E1) In-Reply-To: <1380131869-19185-1-git-send-email-Larry.Finger@lwfinger.net> References: <1380131869-19185-1-git-send-email-Larry.Finger@lwfinger.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: Smatch lists the following: CHECK drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:551 rtl92c_dm_pwdb_monitor() info: ignoring unreachable code. drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:551 rtl92c_dm_pwdb_monitor() info: ignoring unreachable code. drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:870 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2 drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:870 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2 drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:882 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2 drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:883 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2 drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:891 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2 drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:892 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2 The unreachable code message is fixed by deleting the code that follows a return. The errors are fixed by increasing the size of txpwr_level. Signed-off-by: Larry Finger --- drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 25 +---------------------- 1 file changed, 1 insertion(+), 24 deletions(-) diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c index d2d57a2..e9caa5d 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c @@ -541,29 +541,6 @@ EXPORT_SYMBOL(rtl92c_dm_write_dig); static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw) { - struct rtl_priv *rtlpriv = rtl_priv(hw); - long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff; - - u8 h2c_parameter[3] = { 0 }; - - return; - - if (tmpentry_max_pwdb != 0) { - rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb; - } else { - rtlpriv->dm.entry_max_undec_sm_pwdb = 0; - } - - if (tmpentry_min_pwdb != 0xff) { - rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb; - } else { - rtlpriv->dm.entry_min_undec_sm_pwdb = 0; - } - - h2c_parameter[2] = (u8) (rtlpriv->dm.undec_sm_pwdb & 0xFF); - h2c_parameter[0] = 0; - - rtl92c_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, h2c_parameter); } void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw) @@ -673,7 +650,7 @@ static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw s8 cck_index = 0; int i; bool is2t = IS_92C_SERIAL(rtlhal->version); - s8 txpwr_level[2] = {0, 0}; + s8 txpwr_level[3] = {0, 0, 0}; u8 ofdm_min_index = 6, rf; rtlpriv->dm.txpower_trackinginit = true; -- 1.8.1.4