pull request: wireless-2.6 2011-06-17

From: John W. Linville
Date: Fri Jun 17 2011 - 13:46:34 EST


Dave,

Here is a batch of fixes intended for 3.0. Included are a regression
for mwl8k which caused CCMP encryption to fail on that device, and an
mwifiex fix for a null pointer dereference. Also included is a batch
of Bluetooth fixes from Gustavo, including a regression fix for BT 1.1
devices, a fix for shutdown of SCO devices, a fix for an information
leak, and a silly error-checking fix that I thought was worth including
to prevent misinterpreting bad data as device command options.

Please let me know if there are problems!

Thanks,

John

---

The following changes since commit 118133e6580a0c912cda86109b6468b5ffe73f1c:

netdev: bfin_mac: fix memory leak when freeing dma descriptors (2011-06-17 00:19:09 -0400)

are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6.git for-davem

David Miller (1):
Bluetooth: Do not ignore errors returned from strict_strtol()

Filip Palian (1):
Bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace.

John W. Linville (2):
Merge branch 'master' of master.kernel.org:/.../padovan/bluetooth-2.6
Merge branch 'master' of git://git.kernel.org/.../linville/wireless-2.6 into for-davem

Luiz Augusto von Dentz (1):
Bluetooth: fix shutdown on SCO sockets

Nishant Sarmukadam (1):
mwl8k: Tell firmware to generate CCMP header

Ville Tervo (1):
Bluetooth: Do not send SET_EVENT_MASK for 1.1 and earlier devices

Yogesh Ashok Powar (1):
mwifiex: Fixing NULL pointer dereference

drivers/bluetooth/btmrvl_debugfs.c | 12 ++++++++++++
drivers/net/wireless/mwifiex/cfg80211.c | 2 ++
drivers/net/wireless/mwl8k.c | 4 +++-
net/bluetooth/hci_event.c | 18 ++++++++++--------
net/bluetooth/l2cap_sock.c | 1 +
net/bluetooth/rfcomm/sock.c | 1 +
net/bluetooth/sco.c | 13 ++++++++++++-
7 files changed, 41 insertions(+), 10 deletions(-)

diff --git a/drivers/bluetooth/btmrvl_debugfs.c b/drivers/bluetooth/btmrvl_debugfs.c
index fd6305b..8ecf4c6 100644
--- a/drivers/bluetooth/btmrvl_debugfs.c
+++ b/drivers/bluetooth/btmrvl_debugfs.c
@@ -64,6 +64,8 @@ static ssize_t btmrvl_hscfgcmd_write(struct file *file,
return -EFAULT;

ret = strict_strtol(buf, 10, &result);
+ if (ret)
+ return ret;

priv->btmrvl_dev.hscfgcmd = result;

@@ -108,6 +110,8 @@ static ssize_t btmrvl_psmode_write(struct file *file, const char __user *ubuf,
return -EFAULT;

ret = strict_strtol(buf, 10, &result);
+ if (ret)
+ return ret;

priv->btmrvl_dev.psmode = result;

@@ -147,6 +151,8 @@ static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
return -EFAULT;

ret = strict_strtol(buf, 10, &result);
+ if (ret)
+ return ret;

priv->btmrvl_dev.pscmd = result;

@@ -191,6 +197,8 @@ static ssize_t btmrvl_gpiogap_write(struct file *file, const char __user *ubuf,
return -EFAULT;

ret = strict_strtol(buf, 16, &result);
+ if (ret)
+ return ret;

priv->btmrvl_dev.gpio_gap = result;

@@ -230,6 +238,8 @@ static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
return -EFAULT;

ret = strict_strtol(buf, 10, &result);
+ if (ret)
+ return ret;

priv->btmrvl_dev.hscmd = result;
if (priv->btmrvl_dev.hscmd) {
@@ -272,6 +282,8 @@ static ssize_t btmrvl_hsmode_write(struct file *file, const char __user *ubuf,
return -EFAULT;

ret = strict_strtol(buf, 10, &result);
+ if (ret)
+ return ret;

priv->btmrvl_dev.hsmode = result;

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 660831c..687c1f2 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1288,6 +1288,8 @@ int mwifiex_register_cfg80211(struct net_device *dev, u8 *mac,

*(unsigned long *) wdev_priv = (unsigned long) priv;

+ set_wiphy_dev(wdev->wiphy, (struct device *) priv->adapter->dev);
+
ret = wiphy_register(wdev->wiphy);
if (ret < 0) {
dev_err(priv->adapter->dev, "%s: registering cfg80211 device\n",
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 3226118..aeac3cc 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2474,6 +2474,7 @@ struct mwl8k_cmd_set_hw_spec {
* faster client.
*/
#define MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY 0x00000400
+#define MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR 0x00000200
#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080
#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP 0x00000020
#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON 0x00000010
@@ -2510,7 +2511,8 @@ static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw)
cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT |
MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP |
MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON |
- MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY);
+ MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY |
+ MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR);
cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);
cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS);

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index f13ddbf..77930aa 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -477,14 +477,16 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
* command otherwise */
u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };

- /* Events for 1.2 and newer controllers */
- if (hdev->lmp_ver > 1) {
- events[4] |= 0x01; /* Flow Specification Complete */
- events[4] |= 0x02; /* Inquiry Result with RSSI */
- events[4] |= 0x04; /* Read Remote Extended Features Complete */
- events[5] |= 0x08; /* Synchronous Connection Complete */
- events[5] |= 0x10; /* Synchronous Connection Changed */
- }
+ /* CSR 1.1 dongles does not accept any bitfield so don't try to set
+ * any event mask for pre 1.2 devices */
+ if (hdev->lmp_ver <= 1)
+ return;
+
+ events[4] |= 0x01; /* Flow Specification Complete */
+ events[4] |= 0x02; /* Inquiry Result with RSSI */
+ events[4] |= 0x04; /* Read Remote Extended Features Complete */
+ events[5] |= 0x08; /* Synchronous Connection Complete */
+ events[5] |= 0x10; /* Synchronous Connection Changed */

if (hdev->features[3] & LMP_RSSI_INQ)
events[4] |= 0x04; /* Inquiry Result with RSSI */
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 18dc988..8248303 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -413,6 +413,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
break;
}

+ memset(&cinfo, 0, sizeof(cinfo));
cinfo.hci_handle = chan->conn->hcon->handle;
memcpy(cinfo.dev_class, chan->conn->hcon->dev_class, 3);

diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 386cfaf..1b10727 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -788,6 +788,7 @@ static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __u

l2cap_sk = rfcomm_pi(sk)->dlc->session->sock->sk;

+ memset(&cinfo, 0, sizeof(cinfo));
cinfo.hci_handle = conn->hcon->handle;
memcpy(cinfo.dev_class, conn->hcon->dev_class, 3);

diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 42fdffd..cb4fb78 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -369,6 +369,15 @@ static void __sco_sock_close(struct sock *sk)

case BT_CONNECTED:
case BT_CONFIG:
+ if (sco_pi(sk)->conn) {
+ sk->sk_state = BT_DISCONN;
+ sco_sock_set_timer(sk, SCO_DISCONN_TIMEOUT);
+ hci_conn_put(sco_pi(sk)->conn->hcon);
+ sco_pi(sk)->conn->hcon = NULL;
+ } else
+ sco_chan_del(sk, ECONNRESET);
+ break;
+
case BT_CONNECT:
case BT_DISCONN:
sco_chan_del(sk, ECONNRESET);
@@ -819,7 +828,9 @@ static void sco_chan_del(struct sock *sk, int err)
conn->sk = NULL;
sco_pi(sk)->conn = NULL;
sco_conn_unlock(conn);
- hci_conn_put(conn->hcon);
+
+ if (conn->hcon)
+ hci_conn_put(conn->hcon);
}

sk->sk_state = BT_CLOSED;
--
John W. Linville Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx might be all we have. Be ready.
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