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Bluetooth: Fix warning of potentially uninitialized adv_instance variable

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Rework the logic of checking for a valid adv_instance for non-zero
cp->instance values. Without this change we may get (false positive)
warnings as follows:

>> net/bluetooth/mgmt.c:7294:29: warning: 'adv_instance' may be used
uninitialized in this function [-Wuninitialized]

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2015-06-18 21:05:31 +03:00
parent 39ecfad68f
commit 952497b159
1 changed files with 2 additions and 6 deletions
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8
net/bluetooth/mgmt.c
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@ -7280,19 +7280,15 @@ static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
{ {
struct mgmt_cp_remove_advertising *cp = data; struct mgmt_cp_remove_advertising *cp = data;
struct mgmt_rp_remove_advertising rp; struct mgmt_rp_remove_advertising rp;
struct adv_info *adv_instance;
int err;
struct mgmt_pending_cmd *cmd; struct mgmt_pending_cmd *cmd;
struct hci_request req; struct hci_request req;
int err;
BT_DBG("%s", hdev->name); BT_DBG("%s", hdev->name);
hci_dev_lock(hdev); hci_dev_lock(hdev);
if (cp->instance) if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
adv_instance = hci_find_adv_instance(hdev, cp->instance);
if (!(cp->instance == 0x00 || adv_instance)) {
err = mgmt_cmd_status(sk, hdev->id, err = mgmt_cmd_status(sk, hdev->id,
MGMT_OP_REMOVE_ADVERTISING, MGMT_OP_REMOVE_ADVERTISING,
MGMT_STATUS_INVALID_PARAMS); MGMT_STATUS_INVALID_PARAMS);