mwifiex: code cleanup in BSS handling

Rearrange some code to save extra parameters to the functions.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 10 insertions, 31 deletions

diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index ef84a1a..f6bec2f 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1048,10 +1048,8 @@ mwifiex_ret_802_11_scan_get_tlv_ptrs(struct mwifiex_adapter *adapter,
  * This function parses provided beacon buffer and updates
  * respective fields in bss descriptor structure.
  */
-int
-mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
-				struct mwifiex_bssdescriptor *bss_entry,
-				u8 *ie_buf, u32 ie_len)
+int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
+				    struct mwifiex_bssdescriptor *bss_entry)
 {
 	int ret = 0;
 	u8 element_id;
@@ -1073,10 +1071,8 @@ mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
 
 	found_data_rate_ie = false;
 	rate_size = 0;
-	current_ptr = ie_buf;
-	bytes_left = ie_len;
-	bss_entry->beacon_buf = ie_buf;
-	bss_entry->beacon_buf_size = ie_len;
+	current_ptr = bss_entry->beacon_buf;
+	bytes_left = bss_entry->beacon_buf_size;
 
 	/* Process variable IE */
 	while (bytes_left >= 2) {
@@ -1447,15 +1443,12 @@ int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
 	return ret;
 }
 
-static int
-mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
-			       s32 rssi, const u8 *ie_buf, size_t ie_len,
-			       u16 beacon_period, u16 cap_info_bitmap, u8 band)
+static int mwifiex_update_curr_bss_params(struct mwifiex_private *priv,
+					  struct cfg80211_bss *bss)
 {
 	struct mwifiex_bssdescriptor *bss_desc;
 	int ret;
 	unsigned long flags;
-	u8 *beacon_ie;
 
 	/* Allocate and fill new bss descriptor */
 	bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
@@ -1465,16 +1458,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
 		return -ENOMEM;
 	}
 
-	beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL);
-	if (!beacon_ie) {
-		kfree(bss_desc);
-		dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
-		return -ENOMEM;
-	}
-
-	ret = mwifiex_fill_new_bss_desc(priv, bssid, rssi, beacon_ie,
-					ie_len, beacon_period,
-					cap_info_bitmap, band, bss_desc);
+	ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
 	if (ret)
 		goto done;
 
@@ -1514,7 +1498,6 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
 
 done:
 	kfree(bss_desc);
-	kfree(beacon_ie);
 	return 0;
 }
 
@@ -1744,17 +1727,13 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 					      cap_info_bitmap, beacon_period,
 					      ie_buf, ie_len, rssi, GFP_KERNEL);
 				*(u8 *)bss->priv = band;
-				cfg80211_put_bss(bss);
-
 				if (priv->media_connected &&
 				    !memcmp(bssid,
 					    priv->curr_bss_params.bss_descriptor
 					    .mac_address, ETH_ALEN))
-					mwifiex_update_curr_bss_params
-							(priv, bssid, rssi,
-							 ie_buf, ie_len,
-							 beacon_period,
-							 cap_info_bitmap, band);
+					mwifiex_update_curr_bss_params(priv,
+								       bss);
+				cfg80211_put_bss(bss);
 			}
 		} else {
 			dev_dbg(adapter->dev, "missing BSS channel IE\n");