Fix smatch warnings and errors in the rtlwifi family of drivers.
V2 addresses comments by David Laight and Sergei Shtylyov.
V3 addresses further comments by David, Sergei, and Kalle Valo. The
dead code is removed, and the variable is left in the struct.
Signed-off-by: Larry Finger <[email protected]>
---
Larry Finger (8):
rtlwifi: rtl8192du: Fix smatch errors in /rtl8192de/dm.c
rtlwifi: rtl8192de: Fix smatch warnings in rtl8192de/hw.c
rtlwifi: rtl8192cu: Fix smatch warning in rtl8192cu/trx.c
rtlwifi: rtl8192_common: Fix smatch errors and warnings in
rtl8192c/dm_common.c
rtlwifi: Fix smatch warning in pci.c
rtlwifi: Fix smatch warnings in usb.c
rtlwifi: rtl8188ee: Fix smatch warning in rtl8188ee/hw.c
rtlwifi: Remove all remaining references to variable 'noise'
in rtl_stats struct
drivers/net/wireless/rtlwifi/pci.c | 1 -
drivers/net/wireless/rtlwifi/rtl8188ee/hw.c | 1 +
drivers/net/wireless/rtlwifi/rtl8188ee/trx.c | 1 -
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 4 +++-
drivers/net/wireless/rtlwifi/rtl8192ce/trx.c | 1 -
drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | 2 --
drivers/net/wireless/rtlwifi/rtl8192de/dm.c | 8 ++++++--
drivers/net/wireless/rtlwifi/rtl8192de/hw.c | 2 ++
drivers/net/wireless/rtlwifi/rtl8192de/trx.c | 1 -
drivers/net/wireless/rtlwifi/rtl8192se/trx.c | 1 -
drivers/net/wireless/rtlwifi/rtl8723ae/trx.c | 1 -
drivers/net/wireless/rtlwifi/usb.c | 6 ++++--
drivers/net/wireless/rtlwifi/wifi.h | 1 -
13 files changed, 16 insertions(+), 14 deletions(-)
--
1.8.1.4
Smatch lists the following:
CHECK drivers/net/wireless/rtlwifi/rtl8192de/hw.c
drivers/net/wireless/rtlwifi/rtl8192de/hw.c:1200 rtl92de_set_qos() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/rtl8192de/hw.c:1200 rtl92de_set_qos() info: ignoring unreachable code.
The dead code is deleted.
Signed-off-by: Larry Finger <[email protected]>
---
drivers/net/wireless/rtlwifi/rtl8192de/hw.c | 19 -------------------
1 file changed, 19 deletions(-)
Index: wireless-testing-save/drivers/net/wireless/rtlwifi/rtl8192de/hw.c
===================================================================
--- wireless-testing-save.orig/drivers/net/wireless/rtlwifi/rtl8192de/hw.c
+++ wireless-testing-save/drivers/net/wireless/rtlwifi/rtl8192de/hw.c
@@ -1194,25 +1194,6 @@ void rtl92d_linked_set_reg(struct ieee80
* mac80211 will send pkt when scan */
void rtl92de_set_qos(struct ieee80211_hw *hw, int aci)
{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- rtl92d_dm_init_edca_turbo(hw);
- return;
- switch (aci) {
- case AC1_BK:
- rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0xa44f);
- break;
- case AC0_BE:
- break;
- case AC2_VI:
- rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x5e4322);
- break;
- case AC3_VO:
- rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x2f3222);
- break;
- default:
- RT_ASSERT(false, "invalid aci: %d !\n", aci);
- break;
- }
}
void rtl92de_enable_interrupt(struct ieee80211_hw *hw)
Hello.
On 09/18/2013 11:57 PM, Larry Finger wrote:
> Smatch lists the following:
> CHECK drivers/net/wireless/rtlwifi/rtl8192de/hw.c
> drivers/net/wireless/rtlwifi/rtl8192de/hw.c:1200 rtl92de_set_qos() info: ignoring unreachable code.
> drivers/net/wireless/rtlwifi/rtl8192de/hw.c:1200 rtl92de_set_qos() info: ignoring unreachable code.
> The dead code is deleted.
> Signed-off-by: Larry Finger <[email protected]>
> ---
> drivers/net/wireless/rtlwifi/rtl8192de/hw.c | 19 -------------------
> 1 file changed, 19 deletions(-)
> Index: wireless-testing-save/drivers/net/wireless/rtlwifi/rtl8192de/hw.c
> ===================================================================
> --- wireless-testing-save.orig/drivers/net/wireless/rtlwifi/rtl8192de/hw.c
> +++ wireless-testing-save/drivers/net/wireless/rtlwifi/rtl8192de/hw.c
> @@ -1194,25 +1194,6 @@ void rtl92d_linked_set_reg(struct ieee80
> * mac80211 will send pkt when scan */
> void rtl92de_set_qos(struct ieee80211_hw *hw, int aci)
> {
> - struct rtl_priv *rtlpriv = rtl_priv(hw);
> - rtl92d_dm_init_edca_turbo(hw);
This call seems reachable...
> - return;
> - switch (aci) {
> - case AC1_BK:
> - rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0xa44f);
> - break;
> - case AC0_BE:
> - break;
> - case AC2_VI:
> - rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x5e4322);
> - break;
> - case AC3_VO:
> - rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x2f3222);
> - break;
> - default:
> - RT_ASSERT(false, "invalid aci: %d !\n", aci);
> - break;
> - }
> }
WBR, Sergei
Smatch lists the following:
CHECK drivers/net/wireless/rtlwifi/rtl8192de/dm.c
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1054 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'ofdm_index' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1056 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'ofdm_index' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1126 rtl92d_dm_txpower_tracking_callback_thermalmeter() debug: remove_pools: nr_children over 4000 (4596). (rtlpriv->dbg.global_debuglevel merged)
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1126 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1129 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1132 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1135 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1138 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1141 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1144 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1147 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1151 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1154 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1157 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1160 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1163 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1166 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1169 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1172 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
This patch fixes several off-by-one errors. It also removes a comment
referencing variable 'noise' in the rts_stats struct.
Signed-off-by: Larry Finger <[email protected]>
---
drivers/net/wireless/rtlwifi/rtl8192de/dm.c | 8 ++++++--
drivers/net/wireless/rtlwifi/rtl8192de/trx.c | 1 -
2 files changed, 6 insertions(+), 3 deletions(-)
Index: wireless-testing-save/drivers/net/wireless/rtlwifi/rtl8192de/dm.c
===================================================================
--- wireless-testing-save.orig/drivers/net/wireless/rtlwifi/rtl8192de/dm.c
+++ wireless-testing-save/drivers/net/wireless/rtlwifi/rtl8192de/dm.c
@@ -840,9 +840,9 @@ static void rtl92d_dm_txpower_tracking_c
bool internal_pa = false;
long ele_a = 0, ele_d, temp_cck, val_x, value32;
long val_y, ele_c = 0;
- u8 ofdm_index[2];
+ u8 ofdm_index[3];
s8 cck_index = 0;
- u8 ofdm_index_old[2] = {0, 0};
+ u8 ofdm_index_old[3] = {0, 0, 0};
s8 cck_index_old = 0;
u8 index;
int i;
@@ -1118,6 +1118,10 @@ static void rtl92d_dm_txpower_tracking_c
val_x, val_y, ele_a, ele_c, ele_d,
val_x, val_y);
+ if (cck_index >= CCK_TABLE_SIZE)
+ cck_index = CCK_TABLE_SIZE - 1;
+ if (cck_index < 0)
+ cck_index = 0;
if (rtlhal->current_bandtype == BAND_ON_2_4G) {
/* Adjust CCK according to IQK result */
if (!rtlpriv->dm.cck_inch14) {
Index: wireless-testing-save/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
===================================================================
--- wireless-testing-save.orig/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
+++ wireless-testing-save/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
@@ -526,7 +526,6 @@ bool rtl92de_rx_query_desc(struct ieee80
}
/*rx_status->qual = stats->signal; */
rx_status->signal = stats->rssi + 10;
- /*rx_status->noise = -stats->noise; */
return true;
}