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Bluetooth: mgmt: Don't allow to set invalid value to DeviceID source 

Reply with MGMT_STATUS_INVALID_PARAMS when userspace is trying to set
source with out-of-scope value.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Acked-by: Gustavo Padovan <gustavo@padovan.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Szymon Janc 2012-03-16 16:02:57 +01:00 committed by Gustavo Padovan
parent d97dcb6600
commit c72d4b8afa
1 changed files with 8 additions and 1 deletions
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9
net/bluetooth/mgmt.c
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@ -2532,12 +2532,19 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
{ {
struct mgmt_cp_set_device_id *cp = data; struct mgmt_cp_set_device_id *cp = data;
int err; int err;
__u16 source;
BT_DBG("%s", hdev->name); BT_DBG("%s", hdev->name);
source = __le16_to_cpu(cp->source);
if (source > 0x0002)
return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev); hci_dev_lock(hdev);
hdev->devid_source = __le16_to_cpu(cp->source); hdev->devid_source = source;
hdev->devid_vendor = __le16_to_cpu(cp->vendor); hdev->devid_vendor = __le16_to_cpu(cp->vendor);
hdev->devid_product = __le16_to_cpu(cp->product); hdev->devid_product = __le16_to_cpu(cp->product);
hdev->devid_version = __le16_to_cpu(cp->version); hdev->devid_version = __le16_to_cpu(cp->version);