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authorArnd Bergmann <arnd@arndb.de>2016-07-20 17:13:58 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-21 18:21:28 +0200
commitf352a9eeb15e696cbfc470a26e1cc9d44b4df092 (patch)
treef232d4b6d0527d48631f5326313643fa09a32e2d /drivers/staging/rtl8192u/r8192U_core.c
parentstaging: rtl8188eu: remove _EFUSE_DEF_TYPE enum (diff)
downloadlinux-dev-f352a9eeb15e696cbfc470a26e1cc9d44b4df092.tar.xz
linux-dev-f352a9eeb15e696cbfc470a26e1cc9d44b4df092.zip
staging/rtl8192u: use s8 instead of char
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/rtl8192u/r8192U_core.c:4150:16: error: comparison is always false due to limited range of data type [-Werror=type-limits] staging/rtl8192u/r8192U_dm.c:646:50: 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 <arnd@arndb.de> Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8192u/r8192U_core.c')
-rw-r--r--drivers/staging/rtl8192u/r8192U_core.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index 7af1af8c6616..b86b28ae7d7b 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -4206,7 +4206,7 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
*
* Return: 0-100 percentage
*---------------------------------------------------------------------------*/
-static u8 rtl819x_query_rxpwrpercentage(char antpower)
+static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
{
if ((antpower <= -100) || (antpower >= 20))
return 0;
@@ -4217,9 +4217,9 @@ static u8 rtl819x_query_rxpwrpercentage(char antpower)
} /* QueryRxPwrPercentage */
-static u8 rtl819x_evm_dbtopercentage(char value)
+static u8 rtl819x_evm_dbtopercentage(s8 value)
{
- char ret_val;
+ s8 ret_val;
ret_val = value;
@@ -4294,8 +4294,8 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
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;
@@ -4420,7 +4420,7 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
/* Get Rx snr value in DB */
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;
@@ -4454,7 +4454,7 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
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);
/* Do not use shift operation like "rx_evmX >>= 1"
* because the compiler of free build environment will