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mwifiex: do not process mgmt rx on uninitialized interface 

This patch fixes a crash which was happening because of RX of
management frames on uninitialzed interface. Now we drop management
frames for interfaces where cfg80211 has not registered any management
subtype reception or interface has no NL80211 iftype set.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Avinash Patil 2015-02-11 23:12:25 +05:30 committed by Kalle Valo
parent 04c7b363c9
commit 7521ce6eb2
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/mwifiex/util.c
View File

@ -367,6 +367,13 @@ mwifiex_process_mgmt_packet(struct mwifiex_private *priv,
if (!skb)
return -1;
if (!priv->mgmt_frame_mask ||
priv->wdev.iftype == NL80211_IFTYPE_UNSPECIFIED) {
dev_dbg(priv->adapter->dev,
"do not receive mgmt frames on uninitialized intf");
return -1;
}
rx_pd = (struct rxpd *)skb->data;
skb_pull(skb, le16_to_cpu(rx_pd->rx_pkt_offset));