Return-path: Received: from mout.kundenserver.de ([212.227.126.134]:49979 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753618AbcGTP0e (ORCPT ); Wed, 20 Jul 2016 11:26:34 -0400 From: Arnd Bergmann To: Greg Kroah-Hartman Cc: linux-wireless@vger.kernel.org, Kalle Valo , Larry Finger , netdev@vger.kernel.org, Jes Sorensen , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Arnd Bergmann Subject: [PATCH 2/3] staging/rtl8192e: use s8 instead of char Date: Wed, 20 Jul 2016 17:26:05 +0200 Message-Id: <20160720152606.201775-1-arnd@arndb.de> (sfid-20160720_172712_972987_D42C90BE) In-Reply-To: <20160720151818.4142386-1-arnd@arndb.de> References: <20160720151818.4142386-1-arnd@arndb.de> Sender: linux-wireless-owner@vger.kernel.org List-ID: Compiling the rtlwifi drivers for ARM with gcc -Wextra warns about lots of incorrect code that results from 'char' being unsigned here, e.g. staging/rtl8192e/rtl8192e/r8192E_phy.c:1072:36: error: comparison is always false due to limited range of data type [-Werror=type-limits] staging/rtl8192e/rtl8192e/r8192E_phy.c:1104:36: error: comparison is always false due to limited range of data type [-Werror=type-limits] staging/rtl8192e/rtl8192e/rtl_core.c:1987:16: error: comparison is always false due to limited range of data type [-Werror=type-limits] staging/rtl8192e/rtl8192e/rtl_dm.c:782:37: error: comparison is always false due to limited range of data type [-Werror=type-limits] staging/rtl8192e/rtllib_softmac_wx.c:465:16: error: comparison is always false due to limited range of data type [-Werror=type-limits] This patch changes all uses of 'char' in this driver that refer to 8-bit integers to use 's8' instead, which is signed on all architectures. Signed-off-by: Arnd Bergmann Acked-by: Jes Sorensen --- drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 8 ++++---- drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c | 2 +- drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 6 +++--- drivers/staging/rtl8192e/rtl8192e/rtl_core.h | 8 ++++---- 4 files changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c index ba64a4f1b3a8..8d6bca61e7aa 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c @@ -1487,8 +1487,8 @@ static void _rtl92e_query_rxphystatus( struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc; u8 *prxpkt; u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg; - char rx_pwr[4], rx_pwr_all = 0; - char rx_snrX, rx_evmX; + s8 rx_pwr[4], rx_pwr_all = 0; + s8 rx_snrX, rx_evmX; u8 evm, pwdb_all; u32 RSSI, total_rssi = 0; u8 is_cck_rate = 0; @@ -1613,7 +1613,7 @@ static void _rtl92e_query_rxphystatus( 2) - 110; tmp_rxsnr = pofdm_buf->rxsnr_X[i]; - rx_snrX = (char)(tmp_rxsnr); + rx_snrX = (s8)(tmp_rxsnr); rx_snrX /= 2; priv->stats.rxSNRdB[i] = (long)rx_snrX; @@ -1643,7 +1643,7 @@ static void _rtl92e_query_rxphystatus( for (i = 0; i < max_spatial_stream; i++) { tmp_rxevm = pofdm_buf->rxevm_X[i]; - rx_evmX = (char)(tmp_rxevm); + rx_evmX = (s8)(tmp_rxevm); rx_evmX /= 2; diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c index 5e3bbe5c3ca4..0698131e4300 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c @@ -630,7 +630,7 @@ void rtl92e_set_tx_power(struct net_device *dev, u8 channel) { struct r8192_priv *priv = rtllib_priv(dev); u8 powerlevel = 0, powerlevelOFDM24G = 0; - char ant_pwr_diff; + s8 ant_pwr_diff; u32 u4RegValue; if (priv->epromtype == EEPROM_93C46) { diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c index 13a5ddc2bea5..41e05f206300 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c @@ -1982,7 +1982,7 @@ void rtl92e_update_rx_statistics(struct r8192_priv *priv, weighting) / 6; } -u8 rtl92e_rx_db_to_percent(char antpower) +u8 rtl92e_rx_db_to_percent(s8 antpower) { if ((antpower <= -100) || (antpower >= 20)) return 0; @@ -1993,9 +1993,9 @@ u8 rtl92e_rx_db_to_percent(char antpower) } /* QueryRxPwrPercentage */ -u8 rtl92e_evm_db_to_percent(char value) +u8 rtl92e_evm_db_to_percent(s8 value) { - char ret_val; + s8 ret_val; ret_val = value; diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h index f627fdc15a58..6921125c9d35 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h @@ -503,8 +503,8 @@ struct r8192_priv { u32 Pwr_Track; u8 CCKPresentAttentuation_20Mdefault; u8 CCKPresentAttentuation_40Mdefault; - char CCKPresentAttentuation_difference; - char CCKPresentAttentuation; + s8 CCKPresentAttentuation_difference; + s8 CCKPresentAttentuation; long undecorated_smoothed_pwdb; u32 MCSTxPowerLevelOriginalOffset[6]; @@ -604,8 +604,8 @@ void rtl92e_update_rx_pkt_timestamp(struct net_device *dev, long rtl92e_translate_to_dbm(struct r8192_priv *priv, u8 signal_strength_index); void rtl92e_update_rx_statistics(struct r8192_priv *priv, struct rtllib_rx_stats *pprevious_stats); -u8 rtl92e_evm_db_to_percent(char value); -u8 rtl92e_rx_db_to_percent(char antpower); +u8 rtl92e_evm_db_to_percent(s8 value); +u8 rtl92e_rx_db_to_percent(s8 antpower); void rtl92e_copy_mpdu_stats(struct rtllib_rx_stats *psrc_stats, struct rtllib_rx_stats *ptarget_stats); bool rtl92e_enable_nic(struct net_device *dev); -- 2.9.0