iwlwifi: fix some warnings

This fixes all kinds of warnings in iwlwifi.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 10 insertions, 9 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index eb30819cddc4..0d3cc3559039 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -524,7 +524,7 @@ static void iwl3945_add_radiotap(struct iwl3945_priv *priv,
         s8 noise = 0;
         int rate = stats->rate_idx;
         u64 tsf = stats->mactime;
-        __le16 phy_flags_hw = rx_hdr->phy_flags;
+        __le16 phy_flags_hw = rx_hdr->phy_flags, antenna;
 
         struct iwl3945_rt_rx_hdr {
                 struct ieee80211_radiotap_header rt_hdr;
@@ -596,8 +596,8 @@ static void iwl3945_add_radiotap(struct iwl3945_priv *priv,
                 iwl3945_rt->rt_rate = iwl3945_rates[rate].ieee;
 
         /* antenna number */
-        iwl3945_rt->rt_antenna =
-                le16_to_cpu(phy_flags_hw & RX_RES_PHY_FLAGS_ANTENNA_MSK) >> 4;
+        antenna = phy_flags_hw & RX_RES_PHY_FLAGS_ANTENNA_MSK;
+        iwl3945_rt->rt_antenna = le16_to_cpu(antenna) >> 4;
 
         /* set the preamble flag if we have it */
         if (phy_flags_hw & RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK)
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index ac1226946aa6..333c85077211 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -280,8 +280,8 @@ struct iwl3945_frame {
 
 #define SEQ_TO_QUEUE(x)  ((x >> 8) & 0xbf)
 #define QUEUE_TO_SEQ(x)  ((x & 0xbf) << 8)
-#define SEQ_TO_INDEX(x) (x & 0xff)
-#define INDEX_TO_SEQ(x) (x & 0xff)
+#define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
+#define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
 #define SEQ_HUGE_FRAME  (0x4000)
 #define SEQ_RX_FRAME    __constant_cpu_to_le16(0x8000)
 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 0171bb8cbbc6..73e8a24eb9ce 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -3296,6 +3296,7 @@ static void iwl4965_add_radiotap(struct iwl_priv *priv,
         s8 noise = 0;
         int rate = stats->rate_idx;
         u64 tsf = stats->mactime;
+        __le16 antenna;
         __le16 phy_flags_hw = rx_start->phy_flags;
         struct iwl4965_rt_rx_hdr {
                 struct ieee80211_radiotap_header rt_hdr;
@@ -3380,8 +3381,8 @@ static void iwl4965_add_radiotap(struct iwl_priv *priv,
          * new 802.11n radiotap field "RX chains" that is defined
          * as a bitmask.
          */
-        iwl4965_rt->rt_antenna =
-                le16_to_cpu(phy_flags_hw & RX_RES_PHY_FLAGS_ANTENNA_MSK) >> 4;
+        antenna = phy_flags_hw & RX_RES_PHY_FLAGS_ANTENNA_MSK;
+        iwl4965_rt->rt_antenna = le16_to_cpu(antenna) >> 4;
 
         /* set the preamble flag if appropriate */
         if (phy_flags_hw & RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK)
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h
index c8e7028cdf2a..0ec217da48d4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.h
@@ -294,8 +294,8 @@ struct iwl4965_frame {
 
 #define SEQ_TO_QUEUE(x)  ((x >> 8) & 0xbf)
 #define QUEUE_TO_SEQ(x)  ((x & 0xbf) << 8)
-#define SEQ_TO_INDEX(x) (x & 0xff)
-#define INDEX_TO_SEQ(x) (x & 0xff)
+#define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
+#define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
 #define SEQ_HUGE_FRAME  (0x4000)
 #define SEQ_RX_FRAME    __constant_cpu_to_le16(0x8000)
 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)