From: Luiz Augusto von Dentz luiz.von.dentz@intel.com
commit eddb7732119d53400f48a02536a84c509692faa8 upstream.
This fixes various places where a stack variable is used uninitialized.
Signed-off-by: Luiz Augusto von Dentz luiz.von.dentz@intel.com Signed-off-by: Marcel Holtmann marcel@holtmann.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- net/bluetooth/a2mp.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-)
--- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -233,6 +233,9 @@ static int a2mp_discover_rsp(struct amp_ struct a2mp_info_req req;
found = true; + + memset(&req, 0, sizeof(req)); + req.id = cl->id; a2mp_send(mgr, A2MP_GETINFO_REQ, __next_ident(mgr), sizeof(req), &req); @@ -312,6 +315,8 @@ static int a2mp_getinfo_req(struct amp_m if (!hdev || hdev->dev_type != HCI_AMP) { struct a2mp_info_rsp rsp;
+ memset(&rsp, 0, sizeof(rsp)); + rsp.id = req->id; rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
@@ -355,6 +360,8 @@ static int a2mp_getinfo_rsp(struct amp_m if (!ctrl) return -ENOMEM;
+ memset(&req, 0, sizeof(req)); + req.id = rsp->id; a2mp_send(mgr, A2MP_GETAMPASSOC_REQ, __next_ident(mgr), sizeof(req), &req); @@ -383,6 +390,8 @@ static int a2mp_getampassoc_req(struct a struct a2mp_amp_assoc_rsp rsp; rsp.id = req->id;
+ memset(&rsp, 0, sizeof(rsp)); + if (tmp) { rsp.status = A2MP_STATUS_COLLISION_OCCURED; amp_mgr_put(tmp); @@ -471,7 +480,6 @@ static int a2mp_createphyslink_req(struc struct a2mp_cmd *hdr) { struct a2mp_physlink_req *req = (void *) skb->data; - struct a2mp_physlink_rsp rsp; struct hci_dev *hdev; struct hci_conn *hcon; @@ -482,6 +490,8 @@ static int a2mp_createphyslink_req(struc
BT_DBG("local_id %d, remote_id %d", req->local_id, req->remote_id);
+ memset(&rsp, 0, sizeof(rsp)); + rsp.local_id = req->remote_id; rsp.remote_id = req->local_id;
@@ -560,6 +570,8 @@ static int a2mp_discphyslink_req(struct
BT_DBG("local_id %d remote_id %d", req->local_id, req->remote_id);
+ memset(&rsp, 0, sizeof(rsp)); + rsp.local_id = req->remote_id; rsp.remote_id = req->local_id; rsp.status = A2MP_STATUS_SUCCESS; @@ -682,6 +694,8 @@ static int a2mp_chan_recv_cb(struct l2ca if (err) { struct a2mp_cmd_rej rej;
+ memset(&rej, 0, sizeof(rej)); + rej.reason = cpu_to_le16(0); hdr = (void *) skb->data;
@@ -905,6 +919,8 @@ void a2mp_send_getinfo_rsp(struct hci_de
BT_DBG("%s mgr %p", hdev->name, mgr);
+ memset(&rsp, 0, sizeof(rsp)); + rsp.id = hdev->id; rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
@@ -1002,6 +1018,8 @@ void a2mp_send_create_phy_link_rsp(struc if (!mgr) return;
+ memset(&rsp, 0, sizeof(rsp)); + hs_hcon = hci_conn_hash_lookup_state(hdev, AMP_LINK, BT_CONNECT); if (!hs_hcon) { rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION; @@ -1034,6 +1052,8 @@ void a2mp_discover_amp(struct l2cap_chan
mgr->bredr_chan = chan;
+ memset(&req, 0, sizeof(req)); + req.mtu = cpu_to_le16(L2CAP_A2MP_DEFAULT_MTU); req.ext_feat = 0; a2mp_send(mgr, A2MP_DISCOVER_REQ, 1, sizeof(req), &req);