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authorMarcel Holtmann <marcel@holtmann.org>2013-10-18 12:04:50 -0700
committerJohan Hedberg <johan.hedberg@intel.com>2013-10-19 16:24:09 +0300
commit0d5551f5e40c30ed8a6c1fc6bc6ea6aa96438324 (patch)
treed006b5a676405dd2533dd7f4230ea85be87c9dc4 /net/bluetooth/hci_event.c
parentceeb3bc0f1623ecb86697445fd54017e4dab1bab (diff)
downloadlinux-0d5551f5e40c30ed8a6c1fc6bc6ea6aa96438324.tar.bz2
Bluetooth: Store local version information only during setup phase
The local version information from the controller can not change since they are static. So store them only once during setup phase and not bother overwriting them every time this command gets executed. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth/hci_event.c')
-rw-r--r--net/bluetooth/hci_event.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index c171c0798499..848045223e98 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -468,14 +468,13 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
if (rp->status)
return;
- hdev->hci_ver = rp->hci_ver;
- hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
- hdev->lmp_ver = rp->lmp_ver;
- hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
- hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
-
- BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
- hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
+ if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
+ hdev->hci_ver = rp->hci_ver;
+ hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
+ hdev->lmp_ver = rp->lmp_ver;
+ hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
+ hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
+ }
}
static void hci_cc_read_local_commands(struct hci_dev *hdev,