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authorAvinash Patil <patila@marvell.com>2015-02-11 23:12:25 +0530
committerKalle Valo <kvalo@codeaurora.org>2015-02-27 10:08:44 +0200
commit7521ce6eb2d3650a04ac7a1d176607ae9441826a (patch)
tree6b1269ee6050ad8e090fed40c1c7369212f9898f /drivers/net/wireless/mwifiex
parent04c7b363c9f7b05cb1bb94e14afbdd3661f9dd61 (diff)
downloadop-kernel-dev-7521ce6eb2d3650a04ac7a1d176607ae9441826a.zip
op-kernel-dev-7521ce6eb2d3650a04ac7a1d176607ae9441826a.tar.gz
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>
Diffstat (limited to 'drivers/net/wireless/mwifiex')
-rw-r--r--drivers/net/wireless/mwifiex/util.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c
index 3085506..47e215b 100644
--- a/drivers/net/wireless/mwifiex/util.c
+++ b/drivers/net/wireless/mwifiex/util.c
@@ -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));
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