ath9k: Fix a smatch warnings

Smatch shows the following warnings:

  CHECK   drivers/net/wireless/ath/ath9k/htc_drv_main.c
drivers/net/wireless/ath/ath9k/htc_drv_main.c +1315 ath9k_htc_configure_filter(27) warn: inconsistent returns mutex:&priv->mutex: locked (1303) unlocked (1315)

  CHECK   drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +3321 ar9300_eeprom_restore_internal(20) warn: returning -1 instead of -ENOMEM is sloppy

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 9084639..cb4c32e 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3318,7 +3318,7 @@ static int ar9300_eeprom_restore_internal(struct ath_hw *ah,
 
        word = kzalloc(2048, GFP_KERNEL);
        if (!word)
-               return -1;
+               return -ENOMEM;
 
        memcpy(mptr, &ar9300_default, mdata_size);
 

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 0248024..b9de151 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1300,6 +1300,7 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
        if (priv->op_flags & OP_INVALID) {
                ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_ANY,
                        "Unable to configure filter on invalid state\n");
+               mutex_unlock(&priv->mutex);
                return;
        }
        ath9k_htc_ps_wakeup(priv);