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ath9k: Fix some smatch warnings

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drivers/net/wireless/ath/ath9k/hif_usb.c +135 hif_usb_mgmt_cb(6) warn:
variable dereferenced before check 'cmd'
drivers/net/wireless/ath/ath9k/btcoex.c +77 ath9k_hw_init_btcoex_hw(38)
error: buffer overflow 'ah->hw_gen_timers.gen_timer_index' 32 <=
2009813776

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2011-07-17 11:38:49 +05:30 committed by John W. Linville
parent f9ab38ba95
commit 02c5172c31
2 changed files with 8 additions and 4 deletions
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8
drivers/net/wireless/ath/ath9k/btcoex.c
View File

@ -50,7 +50,7 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
.bt_first_slot_time = 5,
.bt_hold_rx_clear = true,
};
u32 i;
u32 i, idx;
bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity;
if (AR_SREV_9300_20_OR_LATER(ah))
@ -73,8 +73,10 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
SM(ATH_BTCOEX_BMISS_THRESH, AR_BT_BCN_MISS_THRESH) |
AR_BT_DISABLE_BT_ANT;
for (i = 0; i < 32; i++)
ah->hw_gen_timers.gen_timer_index[(debruijn32 << i) >> 27] = i;
for (i = 0; i < 32; i++) {
idx = (debruijn32 << i) >> 27;
ah->hw_gen_timers.gen_timer_index[idx] = i;
}
}
EXPORT_SYMBOL(ath9k_hw_init_btcoex_hw);

4
drivers/net/wireless/ath/ath9k/hif_usb.c
View File

@ -130,12 +130,14 @@ static int hif_usb_send_regout(struct hif_device_usb *hif_dev,
static void hif_usb_mgmt_cb(struct urb *urb)
{
struct cmd_buf *cmd = (struct cmd_buf *)urb->context;
struct hif_device_usb *hif_dev = cmd->hif_dev;
struct hif_device_usb *hif_dev;
bool txok = true;
if (!cmd || !cmd->skb || !cmd->hif_dev)
return;
hif_dev = cmd->hif_dev;
switch (urb->status) {
case 0:
break;