netdev - pull request: wireless 2012-01-04 #2

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Message-ID: <20120104164339.GG2540@tuxdriver.com>
Date:	Wed, 4 Jan 2012 11:43:40 -0500
From:	"John W. Linville" <linville@...driver.com>
To:	davem@...emloft.net
Cc:	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: pull request: wireless 2012-01-04 #2

Dave,

Here are a handful of straggler wireless fixes for 3.2.  Included is
a NULL pointer fix for mwifiex, a regression fix for handling rx
header lengths for differnt b43 firmwares in PIO mode, a revert of
a one-liner for Bluetooth HCI that was causing uncomfortable delays
during resume, and an ath9k fix for a panic when running in AP mode
with aggregation disabled.

The Bluetooth fix is a one-liner change of a delay value.  The mwifiex,
b43, and ath9k fixes are relatively small and isolated to their
respective drivers.

Please let me know if there are problems!

John

---

The following changes since commit 405cc2736527bd506fd8f652308b03b2c8a1e8b9:

  fix CAN MAINTAINERS SCM tree type (2012-01-03 14:57:43 -0500)

are available in the git repository at:
  git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git for-davem

Amitkumar Karwar (1):
      mwifiex: fix crash during simultaneous scan and connect

Guennadi Liakhovetski (1):
      b43: fix regression in PIO case

Gustavo F. Padovan (1):
      Revert "Bluetooth: Increase HCI reset timeout in hci_dev_do_close"

John W. Linville (2):
      Merge branch 'master' of git://git.kernel.org/.../padovan/bluetooth
      Merge branch 'master' of git://git.kernel.org/.../linville/wireless into for-davem

Mohammed Shafi Shajakhan (1):
      ath9k: Fix kernel panic in AR2427 in AP mode

 drivers/net/wireless/ath/ath9k/main.c    |    3 +++
 drivers/net/wireless/b43/pio.c           |   16 +++++++++++++---
 drivers/net/wireless/mwifiex/sta_ioctl.c |    7 ++++++-
 net/bluetooth/hci_core.c                 |    2 +-
 4 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index d2348a5..a9c5ae7 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1843,6 +1843,9 @@ static void ath9k_sta_notify(struct ieee80211_hw *hw,
 	struct ath_softc *sc = hw->priv;
 	struct ath_node *an = (struct ath_node *) sta->drv_priv;
 
+	if (!(sc->sc_flags & SC_OP_TXAGGR))
+		return;
+
 	switch (cmd) {
 	case STA_NOTIFY_SLEEP:
 		an->sleeping = true;
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index fcff923..279a53e 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -617,9 +617,19 @@ static bool pio_rx_frame(struct b43_pio_rxqueue *q)
 	const char *err_msg = NULL;
 	struct b43_rxhdr_fw4 *rxhdr =
 		(struct b43_rxhdr_fw4 *)wl->pio_scratchspace;
+	size_t rxhdr_size = sizeof(*rxhdr);
 
 	BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(*rxhdr));
-	memset(rxhdr, 0, sizeof(*rxhdr));
+	switch (dev->fw.hdr_format) {
+	case B43_FW_HDR_410:
+	case B43_FW_HDR_351:
+		rxhdr_size -= sizeof(rxhdr->format_598) -
+			sizeof(rxhdr->format_351);
+		break;
+	case B43_FW_HDR_598:
+		break;
+	}
+	memset(rxhdr, 0, rxhdr_size);
 
 	/* Check if we have data and wait for it to get ready. */
 	if (q->rev >= 8) {
@@ -657,11 +667,11 @@ data_ready:
 
 	/* Get the preamble (RX header) */
 	if (q->rev >= 8) {
-		b43_block_read(dev, rxhdr, sizeof(*rxhdr),
+		b43_block_read(dev, rxhdr, rxhdr_size,
 			       q->mmio_base + B43_PIO8_RXDATA,
 			       sizeof(u32));
 	} else {
-		b43_block_read(dev, rxhdr, sizeof(*rxhdr),
+		b43_block_read(dev, rxhdr, rxhdr_size,
 			       q->mmio_base + B43_PIO_RXDATA,
 			       sizeof(u16));
 	}
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index ea4a29b..1679c25 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -55,9 +55,14 @@ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
 {
 	bool cancel_flag = false;
 	int status = adapter->cmd_wait_q.status;
-	struct cmd_ctrl_node *cmd_queued = adapter->cmd_queued;
+	struct cmd_ctrl_node *cmd_queued;
 
+	if (!adapter->cmd_queued)
+		return 0;
+
+	cmd_queued = adapter->cmd_queued;
 	adapter->cmd_queued = NULL;
+
 	dev_dbg(adapter->dev, "cmd pending\n");
 	atomic_inc(&adapter->cmd_pending);
 
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index be84ae3..b84458d 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -613,7 +613,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 	if (!test_bit(HCI_RAW, &hdev->flags)) {
 		set_bit(HCI_INIT, &hdev->flags);
 		__hci_request(hdev, hci_reset_req, 0,
-					msecs_to_jiffies(HCI_INIT_TIMEOUT));
+					msecs_to_jiffies(250));
 		clear_bit(HCI_INIT, &hdev->flags);
 	}
 
-- 
John W. Linville		Someday the world will need a hero, and you
linville@...driver.com			might be all we have.  Be ready.

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