summaryrefslogtreecommitdiff
path: root/drivers/bluetooth
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/ath3k.c4
-rw-r--r--drivers/bluetooth/bcm203x.c12
-rw-r--r--drivers/bluetooth/bfusb.c13
3 files changed, 20 insertions, 9 deletions
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index db7cb8111fbe..106beb194f3c 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -105,7 +105,7 @@ static int ath3k_load_firmware(struct usb_device *udev,
pipe = usb_sndctrlpipe(udev, 0);
- send_buf = kmalloc(BULK_SIZE, GFP_ATOMIC);
+ send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
if (!send_buf) {
BT_ERR("Can't allocate memory chunk for firmware");
return -ENOMEM;
@@ -176,7 +176,7 @@ static int ath3k_load_fwfile(struct usb_device *udev,
count = firmware->size;
- send_buf = kmalloc(BULK_SIZE, GFP_ATOMIC);
+ send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
if (!send_buf) {
BT_ERR("Can't allocate memory chunk for firmware");
return -ENOMEM;
diff --git a/drivers/bluetooth/bcm203x.c b/drivers/bluetooth/bcm203x.c
index 8b1b643a519b..54952ab800b8 100644
--- a/drivers/bluetooth/bcm203x.c
+++ b/drivers/bluetooth/bcm203x.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
+#include <linux/atomic.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -65,6 +66,7 @@ struct bcm203x_data {
unsigned long state;
struct work_struct work;
+ atomic_t shutdown;
struct urb *urb;
unsigned char *buffer;
@@ -97,6 +99,7 @@ static void bcm203x_complete(struct urb *urb)
data->state = BCM203X_SELECT_MEMORY;
+ /* use workqueue to have a small delay */
schedule_work(&data->work);
break;
@@ -155,7 +158,10 @@ static void bcm203x_work(struct work_struct *work)
struct bcm203x_data *data =
container_of(work, struct bcm203x_data, work);
- if (usb_submit_urb(data->urb, GFP_ATOMIC) < 0)
+ if (atomic_read(&data->shutdown))
+ return;
+
+ if (usb_submit_urb(data->urb, GFP_KERNEL) < 0)
BT_ERR("Can't submit URB");
}
@@ -243,6 +249,7 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
usb_set_intfdata(intf, data);
+ /* use workqueue to have a small delay */
schedule_work(&data->work);
return 0;
@@ -254,6 +261,9 @@ static void bcm203x_disconnect(struct usb_interface *intf)
BT_DBG("intf %p", intf);
+ atomic_inc(&data->shutdown);
+ cancel_work_sync(&data->work);
+
usb_kill_urb(data->urb);
usb_set_intfdata(intf, NULL);
diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index 005919ab043c..61b591470a90 100644
--- a/drivers/bluetooth/bfusb.c
+++ b/drivers/bluetooth/bfusb.c
@@ -568,22 +568,23 @@ static int bfusb_load_firmware(struct bfusb_data *data,
BT_INFO("BlueFRITZ! USB loading firmware");
+ buf = kmalloc(BFUSB_MAX_BLOCK_SIZE + 3, GFP_KERNEL);
+ if (!buf) {
+ BT_ERR("Can't allocate memory chunk for firmware");
+ return -ENOMEM;
+ }
+
pipe = usb_sndctrlpipe(data->udev, 0);
if (usb_control_msg(data->udev, pipe, USB_REQ_SET_CONFIGURATION,
0, 1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT) < 0) {
BT_ERR("Can't change to loading configuration");
+ kfree(buf);
return -EBUSY;
}
data->udev->toggle[0] = data->udev->toggle[1] = 0;
- buf = kmalloc(BFUSB_MAX_BLOCK_SIZE + 3, GFP_ATOMIC);
- if (!buf) {
- BT_ERR("Can't allocate memory chunk for firmware");
- return -ENOMEM;
- }
-
pipe = usb_sndbulkpipe(data->udev, data->bulk_out_ep);
while (count) {