mwifiex: overwrite earlier IE buffers for new set IE request

All IE buffers are freshly supplied. In such case, there is no need
to preserve earlier buffers with same management mask and index.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/mwifiex/ie.c b/drivers/net/wireless/mwifiex/ie.c
index 018ae4a..1f2d4b9 100644 (file)
--- a/drivers/net/wireless/mwifiex/ie.c
+++ b/drivers/net/wireless/mwifiex/ie.c
@@ -51,8 +51,7 @@ mwifiex_ie_get_autoidx(struct mwifiex_private *priv, u16 subtype_mask,
 
        for (i = 0; i < priv->adapter->max_mgmt_ie_index; i++) {
                mask = le16_to_cpu(priv->mgmt_ie[i].mgmt_subtype_mask);
-               len = le16_to_cpu(priv->mgmt_ie[i].ie_length) +
-                     le16_to_cpu(ie->ie_length);
+               len = le16_to_cpu(ie->ie_length);
 
                if (mask == MWIFIEX_AUTO_IDX_MASK)
                        continue;
@@ -108,10 +107,8 @@ mwifiex_update_autoindex_ies(struct mwifiex_private *priv,
                                return -1;
 
                        tmp = (u8 *)&priv->mgmt_ie[index].ie_buffer;
-                       tmp += le16_to_cpu(priv->mgmt_ie[index].ie_length);
                        memcpy(tmp, &ie->ie_buffer, le16_to_cpu(ie->ie_length));
-                       le16_add_cpu(&priv->mgmt_ie[index].ie_length,
-                                    le16_to_cpu(ie->ie_length));
+                       priv->mgmt_ie[index].ie_length = ie->ie_length;
                        priv->mgmt_ie[index].ie_index = cpu_to_le16(index);
                        priv->mgmt_ie[index].mgmt_subtype_mask =
                                                        cpu_to_le16(mask);