diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/function/f_tcm.c | 51 |
1 files changed, 11 insertions, 40 deletions
diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index cd2ef373cbfc..7e7227bf9819 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -41,13 +41,6 @@ static inline struct f_uas *to_f_uas(struct usb_function *f) return container_of(f, struct f_uas, function); } -static void usbg_cmd_release(struct kref *); - -static inline void usbg_cleanup_cmd(struct usbg_cmd *cmd) -{ - kref_put(&cmd->ref, usbg_cmd_release); -} - /* Start bot.c code */ static int bot_enqueue_cmd_cbw(struct f_uas *fu) @@ -68,7 +61,7 @@ static void bot_status_complete(struct usb_ep *ep, struct usb_request *req) struct usbg_cmd *cmd = req->context; struct f_uas *fu = cmd->fu; - usbg_cleanup_cmd(cmd); + transport_generic_free_cmd(&cmd->se_cmd, 0); if (req->status < 0) { pr_err("ERR %s(%d)\n", __func__, __LINE__); return; @@ -605,7 +598,7 @@ static void uasp_status_data_cmpl(struct usb_ep *ep, struct usb_request *req) break; case UASP_QUEUE_COMMAND: - usbg_cleanup_cmd(cmd); + transport_generic_free_cmd(&cmd->se_cmd, 0); usb_ep_queue(fu->ep_cmd, fu->cmd.req, GFP_ATOMIC); break; @@ -615,7 +608,7 @@ static void uasp_status_data_cmpl(struct usb_ep *ep, struct usb_request *req) return; cleanup: - usbg_cleanup_cmd(cmd); + transport_generic_free_cmd(&cmd->se_cmd, 0); } static int uasp_send_status_response(struct usbg_cmd *cmd) @@ -977,7 +970,7 @@ static void usbg_data_write_cmpl(struct usb_ep *ep, struct usb_request *req) return; cleanup: - usbg_cleanup_cmd(cmd); + transport_generic_free_cmd(&cmd->se_cmd, 0); } static int usbg_prepare_w_request(struct usbg_cmd *cmd, struct usb_request *req) @@ -1046,7 +1039,7 @@ static void usbg_cmd_work(struct work_struct *work) struct se_cmd *se_cmd; struct tcm_usbg_nexus *tv_nexus; struct usbg_tpg *tpg; - int dir; + int dir, flags = (TARGET_SCF_UNKNOWN_SIZE | TARGET_SCF_ACK_KREF); se_cmd = &cmd->se_cmd; tpg = cmd->fu->tpg; @@ -1060,9 +1053,9 @@ static void usbg_cmd_work(struct work_struct *work) goto out; } - if (target_submit_cmd(se_cmd, tv_nexus->tvn_se_sess, - cmd->cmd_buf, cmd->sense_iu.sense, cmd->unpacked_lun, - 0, cmd->prio_attr, dir, TARGET_SCF_UNKNOWN_SIZE) < 0) + if (target_submit_cmd(se_cmd, tv_nexus->tvn_se_sess, cmd->cmd_buf, + cmd->sense_iu.sense, cmd->unpacked_lun, 0, + cmd->prio_attr, dir, flags) < 0) goto out; return; @@ -1070,7 +1063,7 @@ static void usbg_cmd_work(struct work_struct *work) out: transport_send_check_condition_and_sense(se_cmd, TCM_UNSUPPORTED_SCSI_OPCODE, 1); - usbg_cleanup_cmd(cmd); + transport_generic_free_cmd(&cmd->se_cmd, 0); } static struct usbg_cmd *usbg_get_cmd(struct f_uas *fu, @@ -1126,11 +1119,6 @@ static int usbg_submit_command(struct f_uas *fu, pr_err("usbg_get_cmd failed\n"); return -ENOMEM; } - - /* XXX until I figure out why I can't free in on complete */ - kref_init(&cmd->ref); - kref_get(&cmd->ref); - memcpy(cmd->cmd_buf, cmd_iu->cdb, cmd_len); if (fu->flags & USBG_USE_STREAMS) { @@ -1203,7 +1191,7 @@ static void bot_cmd_work(struct work_struct *work) out: transport_send_check_condition_and_sense(se_cmd, TCM_UNSUPPORTED_SCSI_OPCODE, 1); - usbg_cleanup_cmd(cmd); + transport_generic_free_cmd(&cmd->se_cmd, 0); } static int bot_submit_command(struct f_uas *fu, @@ -1239,11 +1227,6 @@ static int bot_submit_command(struct f_uas *fu, pr_err("usbg_get_cmd failed\n"); return -ENOMEM; } - - /* XXX until I figure out why I can't free in on complete */ - kref_init(&cmd->ref); - kref_get(&cmd->ref); - memcpy(cmd->cmd_buf, cbw->CDB, cmd_len); cmd->bot_tag = cbw->Tag; @@ -1297,14 +1280,6 @@ static u32 usbg_tpg_get_inst_index(struct se_portal_group *se_tpg) return 1; } -static void usbg_cmd_release(struct kref *ref) -{ - struct usbg_cmd *cmd = container_of(ref, struct usbg_cmd, - ref); - - transport_generic_free_cmd(&cmd->se_cmd, 0); -} - static void usbg_release_cmd(struct se_cmd *se_cmd) { struct usbg_cmd *cmd = container_of(se_cmd, struct usbg_cmd, @@ -1745,11 +1720,7 @@ static void usbg_port_unlink(struct se_portal_group *se_tpg, static int usbg_check_stop_free(struct se_cmd *se_cmd) { - struct usbg_cmd *cmd = container_of(se_cmd, struct usbg_cmd, - se_cmd); - - kref_put(&cmd->ref, usbg_cmd_release); - return 1; + return target_put_sess_cmd(se_cmd); } static const struct target_core_fabric_ops usbg_ops = { |
