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author | Marcel Holtmann <marcel@holtmann.org> | 2008-11-30 12:17:10 +0100 |
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committer | Marcel Holtmann <marcel@holtmann.org> | 2008-11-30 12:17:10 +0100 |
commit | 2eda66f4a0b9803c6a85d5e5ccd8e802bd23b998 (patch) | |
tree | f1ddb75becaa51df08c66e0038a436d9a5a4950c /drivers/bluetooth | |
parent | 25f13048bce61f33f6a102e0bf377fd3922ed364 (diff) | |
download | linux-2eda66f4a0b9803c6a85d5e5ccd8e802bd23b998.tar.gz linux-2eda66f4a0b9803c6a85d5e5ccd8e802bd23b998.tar.bz2 linux-2eda66f4a0b9803c6a85d5e5ccd8e802bd23b998.zip |
Bluetooth: Add fine grained mem_flags usage to btusb driver
The URB submission routines need more fine grained control for the
mem_flags used by kmalloc(), usb_alloc_urb() and usb_submit_urb() to
better support different caller situations. Add a mem_flags parameter
and give the caller full control.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r-- | drivers/bluetooth/btusb.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index af472e052732..3c85f9b078b5 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -236,7 +236,7 @@ static void btusb_intr_complete(struct urb *urb) } } -static int btusb_submit_intr_urb(struct hci_dev *hdev) +static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) { struct btusb_data *data = hdev->driver_data; struct urb *urb; @@ -249,13 +249,13 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev) if (!data->intr_ep) return -ENODEV; - urb = usb_alloc_urb(0, GFP_ATOMIC); + urb = usb_alloc_urb(0, mem_flags); if (!urb) return -ENOMEM; size = le16_to_cpu(data->intr_ep->wMaxPacketSize); - buf = kmalloc(size, GFP_ATOMIC); + buf = kmalloc(size, mem_flags); if (!buf) { usb_free_urb(urb); return -ENOMEM; @@ -271,7 +271,7 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev) usb_anchor_urb(urb, &data->intr_anchor); - err = usb_submit_urb(urb, GFP_ATOMIC); + err = usb_submit_urb(urb, mem_flags); if (err < 0) { BT_ERR("%s urb %p submission failed (%d)", hdev->name, urb, -err); @@ -319,7 +319,7 @@ static void btusb_bulk_complete(struct urb *urb) } } -static int btusb_submit_bulk_urb(struct hci_dev *hdev) +static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) { struct btusb_data *data = hdev->driver_data; struct urb *urb; @@ -332,13 +332,13 @@ static int btusb_submit_bulk_urb(struct hci_dev *hdev) if (!data->bulk_rx_ep) return -ENODEV; - urb = usb_alloc_urb(0, GFP_KERNEL); + urb = usb_alloc_urb(0, mem_flags); if (!urb) return -ENOMEM; size = le16_to_cpu(data->bulk_rx_ep->wMaxPacketSize); - buf = kmalloc(size, GFP_KERNEL); + buf = kmalloc(size, mem_flags); if (!buf) { usb_free_urb(urb); return -ENOMEM; @@ -353,7 +353,7 @@ static int btusb_submit_bulk_urb(struct hci_dev *hdev) usb_anchor_urb(urb, &data->bulk_anchor); - err = usb_submit_urb(urb, GFP_KERNEL); + err = usb_submit_urb(urb, mem_flags); if (err < 0) { BT_ERR("%s urb %p submission failed (%d)", hdev->name, urb, -err); @@ -430,7 +430,7 @@ static void inline __fill_isoc_descriptor(struct urb *urb, int len, int mtu) urb->number_of_packets = i; } -static int btusb_submit_isoc_urb(struct hci_dev *hdev) +static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) { struct btusb_data *data = hdev->driver_data; struct urb *urb; @@ -443,14 +443,14 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev) if (!data->isoc_rx_ep) return -ENODEV; - urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); + urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); if (!urb) return -ENOMEM; size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * BTUSB_MAX_ISOC_FRAMES; - buf = kmalloc(size, GFP_KERNEL); + buf = kmalloc(size, mem_flags); if (!buf) { usb_free_urb(urb); return -ENOMEM; @@ -473,7 +473,7 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev) usb_anchor_urb(urb, &data->isoc_anchor); - err = usb_submit_urb(urb, GFP_KERNEL); + err = usb_submit_urb(urb, mem_flags); if (err < 0) { BT_ERR("%s urb %p submission failed (%d)", hdev->name, urb, -err); @@ -520,7 +520,7 @@ static int btusb_open(struct hci_dev *hdev) if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) return 0; - err = btusb_submit_intr_urb(hdev); + err = btusb_submit_intr_urb(hdev, GFP_KERNEL); if (err < 0) { clear_bit(BTUSB_INTR_RUNNING, &data->flags); clear_bit(HCI_RUNNING, &hdev->flags); @@ -734,10 +734,10 @@ static void btusb_work(struct work_struct *work) if (hdev->conn_hash.acl_num > 0) { if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) { - if (btusb_submit_bulk_urb(hdev) < 0) + if (btusb_submit_bulk_urb(hdev, GFP_KERNEL) < 0) clear_bit(BTUSB_BULK_RUNNING, &data->flags); else - btusb_submit_bulk_urb(hdev); + btusb_submit_bulk_urb(hdev, GFP_KERNEL); } } else { clear_bit(BTUSB_BULK_RUNNING, &data->flags); @@ -754,10 +754,10 @@ static void btusb_work(struct work_struct *work) } if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { - if (btusb_submit_isoc_urb(hdev) < 0) + if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) clear_bit(BTUSB_ISOC_RUNNING, &data->flags); else - btusb_submit_isoc_urb(hdev); + btusb_submit_isoc_urb(hdev, GFP_KERNEL); } } else { clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |