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authorAmitkumar Karwar <akarwar@marvell.com>2012-06-20 20:21:12 -0700
committerJohn W. Linville <linville@tuxdriver.com>2012-06-22 13:59:50 -0400
commite80c81dc1416e326482c601af3a19d0f9989638e (patch)
treef7e73db805d9ab285f03206dbbf17c1b2be581ab /drivers/net/wireless/mwifiex/sta_event.c
parentf03ba7e9a24e5e9efaad56bd1713b994ea556b16 (diff)
mwifiex: fix bugs in event handling code
This patch ensures uniformity in event skb sent by interface code (USB/PCIe/SDIO) which automatically fixes following bugs. 1) For USB interface, same buffer is reused for receiving cmd and events from firmware. While handling events, we perform skb_pull(skb, 4) to remove event header. Corresponding skb_push() call is missing while submitting the buffer. 2) For PCIe interface, event skb is passed with event header. Recently added uAP events EVENT_UAP_STA_ASSOC, EVENT_UAP_STA_DEAUTH will not work for PCIe, as they assume event skb points to event body. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/sta_event.c')
-rw-r--r--drivers/net/wireless/mwifiex/sta_event.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index 4ace5a3dcd2..11e731f3581 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -406,9 +406,9 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
break;
case EVENT_UAP_STA_ASSOC:
- skb_pull(adapter->event_skb, MWIFIEX_UAP_EVENT_EXTRA_HEADER);
memset(&sinfo, 0, sizeof(sinfo));
- event = (struct mwifiex_assoc_event *)adapter->event_skb->data;
+ event = (struct mwifiex_assoc_event *)
+ (adapter->event_body + MWIFIEX_UAP_EVENT_EXTRA_HEADER);
if (le16_to_cpu(event->type) == TLV_TYPE_UAP_MGMT_FRAME) {
len = -1;
@@ -433,9 +433,8 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
GFP_KERNEL);
break;
case EVENT_UAP_STA_DEAUTH:
- skb_pull(adapter->event_skb, MWIFIEX_UAP_EVENT_EXTRA_HEADER);
- cfg80211_del_sta(priv->netdev, adapter->event_skb->data,
- GFP_KERNEL);
+ cfg80211_del_sta(priv->netdev, adapter->event_body +
+ MWIFIEX_UAP_EVENT_EXTRA_HEADER, GFP_KERNEL);
break;
case EVENT_UAP_BSS_IDLE:
priv->media_connected = false;