diff --git a/Makefile b/Makefile
index 6c787cd1cb51..a4622ef65436 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 8
-SUBLEVEL = 15
+SUBLEVEL = 16
 EXTRAVERSION =
 NAME = Kleptomaniac Octopus
 
diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index a353217a0d33..530c7d9437dd 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c
@@ -2930,7 +2930,6 @@ static int aead_gcm_ccm_setkey(struct crypto_aead *cipher,
 
        ctx->enckeylen = keylen;
        ctx->authkeylen = 0;
-       memcpy(ctx->enckey, key, ctx->enckeylen);
 
        switch (ctx->enckeylen) {
        case AES_KEYSIZE_128:
@@ -2946,6 +2945,8 @@ static int aead_gcm_ccm_setkey(struct crypto_aead *cipher,
                goto badkey;
        }
 
+       memcpy(ctx->enckey, key, ctx->enckeylen);
+
        flow_log("  enckeylen:%u authkeylen:%u\n", ctx->enckeylen,
                 ctx->authkeylen);
        flow_dump("  enc: ", ctx->enckey, ctx->enckeylen);
@@ -3000,6 +3001,10 @@ static int aead_gcm_esp_setkey(struct crypto_aead 
*cipher,
        struct iproc_ctx_s *ctx = crypto_aead_ctx(cipher);
 
        flow_log("%s\n", __func__);
+
+       if (keylen < GCM_ESP_SALT_SIZE)
+               return -EINVAL;
+
        ctx->salt_len = GCM_ESP_SALT_SIZE;
        ctx->salt_offset = GCM_ESP_SALT_OFFSET;
        memcpy(ctx->salt, key + keylen - GCM_ESP_SALT_SIZE, GCM_ESP_SALT_SIZE);
@@ -3028,6 +3033,10 @@ static int rfc4543_gcm_esp_setkey(struct crypto_aead 
*cipher,
        struct iproc_ctx_s *ctx = crypto_aead_ctx(cipher);
 
        flow_log("%s\n", __func__);
+
+       if (keylen < GCM_ESP_SALT_SIZE)
+               return -EINVAL;
+
        ctx->salt_len = GCM_ESP_SALT_SIZE;
        ctx->salt_offset = GCM_ESP_SALT_OFFSET;
        memcpy(ctx->salt, key + keylen - GCM_ESP_SALT_SIZE, GCM_ESP_SALT_SIZE);
@@ -3057,6 +3066,10 @@ static int aead_ccm_esp_setkey(struct crypto_aead 
*cipher,
        struct iproc_ctx_s *ctx = crypto_aead_ctx(cipher);
 
        flow_log("%s\n", __func__);
+
+       if (keylen < CCM_ESP_SALT_SIZE)
+               return -EINVAL;
+
        ctx->salt_len = CCM_ESP_SALT_SIZE;
        ctx->salt_offset = CCM_ESP_SALT_OFFSET;
        memcpy(ctx->salt, key + keylen - CCM_ESP_SALT_SIZE, CCM_ESP_SALT_SIZE);
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c 
b/drivers/crypto/qat/qat_common/qat_algs.c
index 1b050391c0c9..02dadcb8852f 100644
--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -871,6 +871,11 @@ static int qat_alg_aead_dec(struct aead_request *areq)
        struct icp_qat_fw_la_bulk_req *msg;
        int digst_size = crypto_aead_authsize(aead_tfm);
        int ret, ctr = 0;
+       u32 cipher_len;
+
+       cipher_len = areq->cryptlen - digst_size;
+       if (cipher_len % AES_BLOCK_SIZE != 0)
+               return -EINVAL;
 
        ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req);
        if (unlikely(ret))
@@ -885,7 +890,7 @@ static int qat_alg_aead_dec(struct aead_request *areq)
        qat_req->req.comn_mid.src_data_addr = qat_req->buf.blp;
        qat_req->req.comn_mid.dest_data_addr = qat_req->buf.bloutp;
        cipher_param = (void *)&qat_req->req.serv_specif_rqpars;
-       cipher_param->cipher_length = areq->cryptlen - digst_size;
+       cipher_param->cipher_length = cipher_len;
        cipher_param->cipher_offset = areq->assoclen;
        memcpy(cipher_param->u.cipher_IV_array, areq->iv, AES_BLOCK_SIZE);
        auth_param = (void *)((uint8_t *)cipher_param + sizeof(*cipher_param));
@@ -914,6 +919,9 @@ static int qat_alg_aead_enc(struct aead_request *areq)
        uint8_t *iv = areq->iv;
        int ret, ctr = 0;
 
+       if (areq->cryptlen % AES_BLOCK_SIZE != 0)
+               return -EINVAL;
+
        ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req);
        if (unlikely(ret))
                return ret;
diff --git a/drivers/media/usb/usbtv/usbtv-core.c 
b/drivers/media/usb/usbtv/usbtv-core.c
index ee9c656d121f..2308c0b4f5e7 100644
--- a/drivers/media/usb/usbtv/usbtv-core.c
+++ b/drivers/media/usb/usbtv/usbtv-core.c
@@ -113,7 +113,8 @@ static int usbtv_probe(struct usb_interface *intf,
 
 usbtv_audio_fail:
        /* we must not free at this point */
-       usb_get_dev(usbtv->udev);
+       v4l2_device_get(&usbtv->v4l2_dev);
+       /* this will undo the v4l2_device_get() */
        usbtv_video_free(usbtv);
 
 usbtv_video_fail:
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c 
b/drivers/staging/comedi/drivers/vmk80xx.c
index 65dc6c51037e..7956abcbae22 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -667,6 +667,9 @@ static int vmk80xx_find_usb_endpoints(struct comedi_device 
*dev)
        if (!devpriv->ep_rx || !devpriv->ep_tx)
                return -ENODEV;
 
+       if (!usb_endpoint_maxp(devpriv->ep_rx) || 
!usb_endpoint_maxp(devpriv->ep_tx))
+               return -EINVAL;
+
        return 0;
 }
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index ae98fe94fe91..01a98d071c7c 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1037,6 +1037,11 @@ static const struct usb_device_id id_table_combined[] = {
        /* U-Blox devices */
        { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) },
        { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) },
+       /* FreeCalypso USB adapters */
+       { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID),
+               .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+       { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
+               .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
        { }                                     /* Terminating entry */
 };
 
diff --git a/drivers/usb/serial/ftdi_sio_ids.h 
b/drivers/usb/serial/ftdi_sio_ids.h
index b5ca17a5967a..3d47c6d72256 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -39,6 +39,13 @@
 
 #define FTDI_LUMEL_PD12_PID    0x6002
 
+/*
+ * Custom USB adapters made by Falconia Partners LLC
+ * for FreeCalypso project, ID codes allocated to Falconia by FTDI.
+ */
+#define FTDI_FALCONIA_JTAG_BUF_PID     0x7150
+#define FTDI_FALCONIA_JTAG_UNBUF_PID   0x7151
+
 /* Sienna Serial Interface by Secyourit GmbH */
 #define FTDI_SIENNA_PID                0x8348
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index f7a6ac05ac57..eb5538a44ee9 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -528,6 +528,7 @@ static void option_instat_callback(struct urb *urb);
 /* Cellient products */
 #define CELLIENT_VENDOR_ID                     0x2692
 #define CELLIENT_PRODUCT_MEN200                        0x9005
+#define CELLIENT_PRODUCT_MPL200                        0x9025
 
 /* Hyundai Petatel Inc. products */
 #define PETATEL_VENDOR_ID                      0x1ff4
@@ -1186,6 +1187,8 @@ static const struct usb_device_id option_ids[] = {
          .driver_info = NCTRL(2) | RSVD(3) },
        { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1053, 0xff),    /* 
Telit FN980 (ECM) */
          .driver_info = NCTRL(0) | RSVD(1) },
+       { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1054, 0xff),    /* 
Telit FT980-KS */
+         .driver_info = NCTRL(2) | RSVD(3) },
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
          .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@@ -1982,6 +1985,8 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 
MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) },
        { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 
MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },
        { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
+       { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MPL200),
+         .driver_info = RSVD(1) | RSVD(4) },
        { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600A) },
        { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600E) },
        { USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, TPLINK_PRODUCT_LTE, 
0xff, 0x00, 0x00) },      /* TP-Link LTE Module */
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index c5a2995dfa2e..c0bf7a424d93 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -100,6 +100,7 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD220TA_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD381_PRODUCT_ID) },
+       { USB_DEVICE(HP_VENDOR_ID, HP_LD381GC_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD960TA_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 7d3090ee7e0c..0f681ddbfd28 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -127,6 +127,7 @@
 
 /* Hewlett-Packard POS Pole Displays */
 #define HP_VENDOR_ID           0x03f0
+#define HP_LD381GC_PRODUCT_ID  0x0183
 #define HP_LM920_PRODUCT_ID    0x026b
 #define HP_TD620_PRODUCT_ID    0x0956
 #define HP_LD960_PRODUCT_ID    0x0b39
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 1509775da040..e43fed96704d 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1551,11 +1551,7 @@ void reiserfs_read_locked_inode(struct inode *inode,
         * set version 1, version 2 could be used too, because stat data
         * key is the same in both versions
         */
-       key.version = KEY_FORMAT_3_5;
-       key.on_disk_key.k_dir_id = dirino;
-       key.on_disk_key.k_objectid = inode->i_ino;
-       key.on_disk_key.k_offset = 0;
-       key.on_disk_key.k_type = 0;
+       _make_cpu_key(&key, KEY_FORMAT_3_5, dirino, inode->i_ino, 0, 0, 3);
 
        /* look for the object's stat data */
        retval = search_item(inode->i_sb, &key, &path_to_sd);
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 28b241cd6987..fe63a7c3e0da 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -674,6 +674,13 @@ reiserfs_xattr_get(struct inode *inode, const char *name, 
void *buffer,
        if (get_inode_sd_version(inode) == STAT_DATA_V1)
                return -EOPNOTSUPP;
 
+       /*
+        * priv_root needn't be initialized during mount so allow initial
+        * lookups to succeed.
+        */
+       if (!REISERFS_SB(inode->i_sb)->priv_root)
+               return 0;
+
        dentry = xattr_lookup(inode, name, XATTR_REPLACE);
        if (IS_ERR(dentry)) {
                err = PTR_ERR(dentry);
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index da3728871e85..78970afa96f9 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1402,11 +1402,13 @@ static inline void hci_encrypt_cfm(struct hci_conn 
*conn, __u8 status)
        else
                encrypt = 0x01;
 
-       if (conn->sec_level == BT_SECURITY_SDP)
-               conn->sec_level = BT_SECURITY_LOW;
+       if (!status) {
+               if (conn->sec_level == BT_SECURITY_SDP)
+                       conn->sec_level = BT_SECURITY_LOW;
 
-       if (conn->pending_sec_level > conn->sec_level)
-               conn->sec_level = conn->pending_sec_level;
+               if (conn->pending_sec_level > conn->sec_level)
+                       conn->sec_level = conn->pending_sec_level;
+       }
 
        mutex_lock(&hci_cb_list_lock);
        list_for_each_entry(cb, &hci_cb_list, list) {
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 8f1e6a7a2df8..1d1232917de7 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -665,6 +665,8 @@ struct l2cap_ops {
        struct sk_buff          *(*alloc_skb) (struct l2cap_chan *chan,
                                               unsigned long hdr_len,
                                               unsigned long len, int nb);
+       int                     (*filter) (struct l2cap_chan * chan,
+                                          struct sk_buff *skb);
 };
 
 struct l2cap_conn {
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 26526be579c7..da7fd7c8c2dc 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -226,6 +226,9 @@ static int a2mp_discover_rsp(struct amp_mgr *mgr, struct 
sk_buff *skb,
                        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);
@@ -305,6 +308,8 @@ static int a2mp_getinfo_req(struct amp_mgr *mgr, struct 
sk_buff *skb,
        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;
 
@@ -348,6 +353,8 @@ static int a2mp_getinfo_rsp(struct amp_mgr *mgr, struct 
sk_buff *skb,
        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);
@@ -376,6 +383,8 @@ static int a2mp_getampassoc_req(struct amp_mgr *mgr, struct 
sk_buff *skb,
                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);
@@ -464,7 +473,6 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, 
struct sk_buff *skb,
                                   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;
@@ -475,6 +483,8 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, 
struct sk_buff *skb,
 
        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;
 
@@ -553,6 +563,8 @@ static int a2mp_discphyslink_req(struct amp_mgr *mgr, 
struct sk_buff *skb,
 
        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;
@@ -675,6 +687,8 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, 
struct sk_buff *skb)
        if (err) {
                struct a2mp_cmd_rej rej;
 
+               memset(&rej, 0, sizeof(rej));
+
                rej.reason = cpu_to_le16(0);
                hdr = (void *) skb->data;
 
@@ -898,6 +912,8 @@ void a2mp_send_getinfo_rsp(struct hci_dev *hdev)
 
        BT_DBG("%s mgr %p", hdev->name, mgr);
 
+       memset(&rsp, 0, sizeof(rsp));
+
        rsp.id = hdev->id;
        rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
 
@@ -995,6 +1011,8 @@ void a2mp_send_create_phy_link_rsp(struct hci_dev *hdev, 
u8 status)
        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;
@@ -1027,6 +1045,8 @@ void a2mp_discover_amp(struct l2cap_chan *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);
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 307800fd18e6..b99b5c6de55a 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -1323,6 +1323,23 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
                        return 0;
        }
 
+        /* AES encryption is required for Level 4:
+         *
+         * BLUETOOTH CORE SPECIFICATION Version 5.2 | Vol 3, Part C
+         * page 1319:
+         *
+         * 128-bit equivalent strength for link and encryption keys
+         * required using FIPS approved algorithms (E0 not allowed,
+         * SAFER+ not allowed, and P-192 not allowed; encryption key
+         * not shortened)
+         */
+       if (conn->sec_level == BT_SECURITY_FIPS &&
+           !test_bit(HCI_CONN_AES_CCM, &conn->flags)) {
+               bt_dev_err(conn->hdev,
+                          "Invalid security: Missing AES-CCM usage");
+               return 0;
+       }
+
        if (hci_conn_ssp_enabled(conn) &&
            !test_bit(HCI_CONN_ENCRYPT, &conn->flags))
                return 0;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 6c6c9a81bee2..ff38f98988db 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3068,27 +3068,23 @@ static void hci_encrypt_change_evt(struct hci_dev 
*hdev, struct sk_buff *skb)
 
        clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
 
+       /* Check link security requirements are met */
+       if (!hci_conn_check_link_mode(conn))
+               ev->status = HCI_ERROR_AUTH_FAILURE;
+
        if (ev->status && conn->state == BT_CONNECTED) {
                if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING)
                        set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags);
 
+               /* Notify upper layers so they can cleanup before
+                * disconnecting.
+                */
+               hci_encrypt_cfm(conn, ev->status);
                hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
                hci_conn_drop(conn);
                goto unlock;
        }
 
-       /* In Secure Connections Only mode, do not allow any connections
-        * that are not encrypted with AES-CCM using a P-256 authenticated
-        * combination key.
-        */
-       if (hci_dev_test_flag(hdev, HCI_SC_ONLY) &&
-           (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
-            conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
-               hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
-               hci_conn_drop(conn);
-               goto unlock;
-       }
-
        /* Try reading the encryption key size for encrypted ACL links */
        if (!ev->status && ev->encrypt && conn->type == ACL_LINK) {
                struct hci_cp_read_enc_key_size cp;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index fe913a5c754a..129cbef8e560 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -7302,9 +7302,10 @@ static int l2cap_data_rcv(struct l2cap_chan *chan, 
struct sk_buff *skb)
                goto drop;
        }
 
-       if ((chan->mode == L2CAP_MODE_ERTM ||
-            chan->mode == L2CAP_MODE_STREAMING) && sk_filter(chan->data, skb))
-               goto drop;
+       if (chan->ops->filter) {
+               if (chan->ops->filter(chan, skb))
+                       goto drop;
+       }
 
        if (!control->sframe) {
                int err;
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index a995d2c51fa7..c7fc28a465fd 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1663,6 +1663,19 @@ static void l2cap_sock_suspend_cb(struct l2cap_chan 
*chan)
        sk->sk_state_change(sk);
 }
 
+static int l2cap_sock_filter(struct l2cap_chan *chan, struct sk_buff *skb)
+{
+       struct sock *sk = chan->data;
+
+       switch (chan->mode) {
+       case L2CAP_MODE_ERTM:
+       case L2CAP_MODE_STREAMING:
+               return sk_filter(sk, skb);
+       }
+
+       return 0;
+}
+
 static const struct l2cap_ops l2cap_chan_ops = {
        .name                   = "L2CAP Socket Interface",
        .new_connection         = l2cap_sock_new_connection_cb,
@@ -1678,6 +1691,7 @@ static const struct l2cap_ops l2cap_chan_ops = {
        .get_sndtimeo           = l2cap_sock_get_sndtimeo_cb,
        .get_peer_pid           = l2cap_sock_get_peer_pid_cb,
        .alloc_skb              = l2cap_sock_alloc_skb_cb,
+       .filter                 = l2cap_sock_filter,
 };
 
 static void l2cap_sock_destruct(struct sock *sk)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 9e8a3cccc6ca..9bcba7eff4bd 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -766,7 +766,8 @@ static u32 get_supported_settings(struct hci_dev *hdev)
 
                if (lmp_ssp_capable(hdev)) {
                        settings |= MGMT_SETTING_SSP;
-                       settings |= MGMT_SETTING_HS;
+                       if (IS_ENABLED(CONFIG_BT_HS))
+                               settings |= MGMT_SETTING_HS;
                }
 
                if (lmp_sc_capable(hdev))
@@ -1794,6 +1795,10 @@ static int set_hs(struct sock *sk, struct hci_dev *hdev, 
void *data, u16 len)
 
        bt_dev_dbg(hdev, "sock %p", sk);
 
+       if (!IS_ENABLED(CONFIG_BT_HS))
+               return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+                                      MGMT_STATUS_NOT_SUPPORTED);
+
        status = mgmt_bredr_support(hdev);
        if (status)
                return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
  • Linux 5.8.16 Greg Kroah-Hartman
    • Re: Linux 5.8.16 Greg Kroah-Hartman

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