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staging: w35und: Use NETDEV_TX_BUSY if MLMESendFrame fails 

This patch changes MLMESendFrame to return NETDEV_TX_BUSY if MLME frame is in
use so that wbsoft_tx() doesn't blindly return NETDEV_TX_OK in that case.

Cc: Sandro Bonazzola <sandro.bonazzola@gmail.com>
Cc: Lars Lindley <lindley@coyote.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Pekka Enberg 2010-09-19 13:01:02 +03:00 committed by Greg Kroah-Hartman
parent ff80d13fc4
commit 80a284bd15
3 changed files with 8 additions and 12 deletions
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13
drivers/staging/winbond/mlmetxrx.c
View File

@ -19,14 +19,13 @@
#include "mds_f.h"
/* ============================================================================= */
u8 MLMESendFrame(struct wbsoft_priv *adapter, u8 *pMMPDU, u16 len, u8 DataType)
/* DataType : FRAME_TYPE_802_11_MANAGEMENT, FRAME_TYPE_802_11_MANAGEMENT_CHALLENGE,
FRAME_TYPE_802_11_DATA */
#include <linux/netdevice.h>
int MLMESendFrame(struct wbsoft_priv *adapter, u8 *pMMPDU, u16 len, u8 DataType)
{
if (adapter->sMlmeFrame.IsInUsed != PACKET_FREE_TO_USE) {
adapter->sMlmeFrame.wNumTxMMPDUDiscarded++;
return false;
return NETDEV_TX_BUSY;
}
adapter->sMlmeFrame.IsInUsed = PACKET_COME_FROM_MLME;
@ -40,9 +39,9 @@ u8 MLMESendFrame(struct wbsoft_priv *adapter, u8 *pMMPDU, u16 len, u8 DataType)
/* H/W will enter power save by set the register. S/W don't send null frame
with PWRMgt bit enbled to enter power save now. */
/* Transmit NDIS packet */
Mds_Tx(adapter);
return true;
return NETDEV_TX_OK;
}
void MLME_GetNextPacket(struct wbsoft_priv *adapter, struct wb35_descriptor *desc)

3
drivers/staging/winbond/mlmetxrx_f.h
View File

@ -11,8 +11,7 @@
#include "core.h"
void MLME_GetNextPacket(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes);
u8 MLMESendFrame(struct wbsoft_priv *adapter,
u8 *pMMPDU, u16 len, u8 DataType);
int MLMESendFrame(struct wbsoft_priv *adapter, u8 *pMMPDU, u16 len, u8 DataType);
void
MLME_SendComplete(struct wbsoft_priv *adapter, u8 PacketID,

4
drivers/staging/winbond/wbusb.c
View File

@ -121,9 +121,7 @@ static int wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct wbsoft_priv *priv = dev->priv;
MLMESendFrame(priv, skb->data, skb->len, FRAME_TYPE_802_11_MANAGEMENT);
return NETDEV_TX_OK;
return MLMESendFrame(priv, skb->data, skb->len, FRAME_TYPE_802_11_MANAGEMENT);
}
static int wbsoft_start(struct ieee80211_hw *dev)