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path: root/drivers/usb/gadget/multi.c
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Diffstat (limited to 'drivers/usb/gadget/multi.c')
-rw-r--r--drivers/usb/gadget/multi.c33
1 files changed, 12 insertions, 21 deletions
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 20bbbf917fc..4a45e80c6e3 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -135,8 +135,8 @@ static struct fsg_common fsg_common;
static u8 hostaddr[ETH_ALEN];
-static unsigned char tty_line;
static struct usb_function_instance *fi_acm;
+static struct eth_dev *the_dev;
/********** RNDIS **********/
@@ -152,13 +152,15 @@ static __init int rndis_do_config(struct usb_configuration *c)
c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
}
- ret = rndis_bind_config(c, hostaddr);
+ ret = rndis_bind_config(c, hostaddr, the_dev);
if (ret < 0)
return ret;
f_acm_rndis = usb_get_function(fi_acm);
- if (IS_ERR(f_acm_rndis))
+ if (IS_ERR(f_acm_rndis)) {
+ ret = PTR_ERR(f_acm_rndis);
goto err_func_acm;
+ }
ret = usb_add_function(c, f_acm_rndis);
if (ret)
@@ -214,7 +216,7 @@ static __init int cdc_do_config(struct usb_configuration *c)
c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
}
- ret = ecm_bind_config(c, hostaddr);
+ ret = ecm_bind_config(c, hostaddr, the_dev);
if (ret < 0)
return ret;
@@ -269,7 +271,6 @@ static int cdc_config_register(struct usb_composite_dev *cdev)
static int __ref multi_bind(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
- struct f_serial_opts *opts;
int status;
if (!can_support_ecm(cdev->gadget)) {
@@ -279,24 +280,17 @@ static int __ref multi_bind(struct usb_composite_dev *cdev)
}
/* set up network link layer */
- status = gether_setup(cdev->gadget, hostaddr);
- if (status < 0)
- return status;
+ the_dev = gether_setup(cdev->gadget, hostaddr);
+ if (IS_ERR(the_dev))
+ return PTR_ERR(the_dev);
/* set up serial link layer */
- status = gserial_alloc_line(&tty_line);
- if (status < 0)
- goto fail0;
-
fi_acm = usb_get_function_instance("acm");
if (IS_ERR(fi_acm)) {
status = PTR_ERR(fi_acm);
- goto fail0dot5;
+ goto fail0;
}
- opts = container_of(fi_acm, struct f_serial_opts, func_inst);
- opts->port_num = tty_line;
-
/* set up mass storage function */
{
void *retp;
@@ -334,10 +328,8 @@ fail2:
fsg_common_put(&fsg_common);
fail1:
usb_put_function_instance(fi_acm);
-fail0dot5:
- gserial_free_line(tty_line);
fail0:
- gether_cleanup();
+ gether_cleanup(the_dev);
return status;
}
@@ -350,8 +342,7 @@ static int __exit multi_unbind(struct usb_composite_dev *cdev)
usb_put_function(f_acm_rndis);
#endif
usb_put_function_instance(fi_acm);
- gserial_free_line(tty_line);
- gether_cleanup();
+ gether_cleanup(the_dev);
return 0;
}