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From: Larry Finger <Larry.Finger@lwfinger.net>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org,
	Larry Finger <Larry.Finger@lwfinger.net>,
	netdev@vger.kernel.org
Subject: [PATCH 1/7] rtlwifi: rtl8192du: Fix smatch errors in /rtl8192de/dm.c
Date: Fri, 13 Sep 2013 12:44:58 -0500	[thread overview]
Message-ID: <1379094304-22041-2-git-send-email-Larry.Finger@lwfinger.net> (raw)
In-Reply-To: <1379094304-22041-1-git-send-email-Larry.Finger@lwfinger.net>

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

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
 drivers/net/wireless/rtlwifi/rtl8192de/dm.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/dm.c b/drivers/net/wireless/rtlwifi/rtl8192de/dm.c
index 47875ba..eaeee77 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/dm.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/dm.c
@@ -840,9 +840,9 @@ static void rtl92d_dm_txpower_tracking_callback_thermalmeter(
 	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_callback_thermalmeter(
 				 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) {
-- 
1.8.1.4

  reply	other threads:[~2013-09-13 17:45 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-13 17:44 [PATCH 0/7] rtlwifi: Patches to fix problems shown by smatch Larry Finger
2013-09-13 17:44 ` Larry Finger [this message]
     [not found] ` <1379094304-22041-1-git-send-email-Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2013-09-13 17:44   ` [PATCH 2/7] rtlwifi: rtl8192de: Fix smatch warnings in rtl8192de/hw.c Larry Finger
     [not found]     ` <1379094304-22041-3-git-send-email-Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2013-09-14 19:59       ` Sergei Shtylyov
2013-09-14 20:30         ` Larry Finger
2013-09-13 17:45   ` [PATCH 3/7] rtlwifi: rtl8192cu: Fix smatch warning in rtl8192cu/trx.c Larry Finger
2013-09-13 17:45   ` [PATCH 6/7] rtlwifi: Fix smatch warnings in usb.c Larry Finger
     [not found]     ` <1379094304-22041-7-git-send-email-Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2013-09-14 19:44       ` Sergei Shtylyov
     [not found]         ` <5234BCB6.6050508-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
2013-09-14 20:26           ` Larry Finger
2013-09-13 17:45 ` [PATCH 4/7] rtlwifi: rtl8192_common: Fix smatch errors and warnings in rtl8192c/dm_common.c Larry Finger
2013-09-13 17:45 ` [PATCH 5/7: rtlwifi: Fix smatch warning in pci.c Larry Finger
2013-09-16  9:26   ` David Laight
2013-09-16 17:39     ` Larry Finger
2013-09-13 17:45 ` [PATCH 7/7] rtlwifi: rtl8188ee: Fix smatch warning in rtl8188ee/hw.c Larry Finger

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