diff options
Diffstat (limited to 'drivers/usb/gadget/f_acm.c')
-rw-r--r-- | drivers/usb/gadget/f_acm.c | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c index 308242b5d6e0..549174466c21 100644 --- a/drivers/usb/gadget/f_acm.c +++ b/drivers/usb/gadget/f_acm.c @@ -705,6 +705,7 @@ acm_unbind(struct usb_configuration *c, struct usb_function *f) { struct f_acm *acm = func_to_acm(f); + acm_string_defs[0].id = 0; usb_free_all_descriptors(f); gs_free_req(acm->notify, acm->notify_req); kfree(acm); @@ -742,27 +743,15 @@ int acm_bind_config(struct usb_configuration *c, u8 port_num) */ /* maybe allocate device-global string IDs, and patch descriptors */ - if (acm_string_defs[ACM_CTRL_IDX].id == 0) { - status = usb_string_id(c->cdev); + if (acm_string_defs[0].id == 0) { + status = usb_string_ids_tab(c->cdev, acm_string_defs); if (status < 0) return status; - acm_string_defs[ACM_CTRL_IDX].id = status; - - acm_control_interface_desc.iInterface = status; - - status = usb_string_id(c->cdev); - if (status < 0) - return status; - acm_string_defs[ACM_DATA_IDX].id = status; - - acm_data_interface_desc.iInterface = status; - - status = usb_string_id(c->cdev); - if (status < 0) - return status; - acm_string_defs[ACM_IAD_IDX].id = status; - - acm_iad_descriptor.iFunction = status; + acm_control_interface_desc.iInterface = + acm_string_defs[ACM_CTRL_IDX].id; + acm_data_interface_desc.iInterface = + acm_string_defs[ACM_DATA_IDX].id; + acm_iad_descriptor.iFunction = acm_string_defs[ACM_IAD_IDX].id; } /* allocate and initialize one new instance */ |