diff options
Diffstat (limited to 'drivers/usb/gadget/f_acm.c')
| -rw-r--r-- | drivers/usb/gadget/f_acm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c index 61b33d23be72..ba7daaaad148 100644 --- a/drivers/usb/gadget/f_acm.c +++ b/drivers/usb/gadget/f_acm.c @@ -768,17 +768,24 @@ static void acm_free_instance(struct usb_function_instance *fi) struct f_serial_opts *opts; opts = container_of(fi, struct f_serial_opts, func_inst); + gserial_free_line(opts->port_num); kfree(opts); } static struct usb_function_instance *acm_alloc_instance(void) { struct f_serial_opts *opts; + int ret; opts = kzalloc(sizeof(*opts), GFP_KERNEL); if (!opts) return ERR_PTR(-ENOMEM); opts->func_inst.free_func_inst = acm_free_instance; + ret = gserial_alloc_line(&opts->port_num); + if (ret) { + kfree(opts); + return ERR_PTR(ret); + } return &opts->func_inst; } DECLARE_USB_FUNCTION_INIT(acm, acm_alloc_instance, acm_alloc_func); |