[PATCH 13/26] usb: gadget: f_obex: eliminate abuse of ep->driver data

Robert Baldyga
2015-09-15T14:34:16Z

In case of f_obex, ep->driver_data was used only for endpoint claiming
and marking endpoints as enabled, so we can simplify code by reducing
it.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
---
drivers/usb/gadget/function/f_obex.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/usb/gadget/function/f_obex.c b/drivers/usb/gadget/function/f_obex.c
index 5460426..1c3d30a 100644
--- a/drivers/usb/gadget/function/f_obex.c
+++ b/drivers/usb/gadget/function/f_obex.c
@@ -206,7 +206,7 @@ static int obex_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
if (alt > 1)
goto fail;

- if (obex->port.in->driver_data) {
+ if (obex->port.in->enabled) {
dev_dbg(&cdev->gadget->dev,
"reset obex ttyGS%d\n", obex->port_num);
gserial_disconnect(&obex->port);
@@ -348,13 +348,11 @@ static int obex_bind(struct usb_configuration *c, struct usb_function *f)
if (!ep)
goto fail;
obex->port.in = ep;
- ep->driver_data = cdev; /* claim */

ep = usb_ep_autoconfig(cdev->gadget, &obex_fs_ep_out_desc);
if (!ep)
goto fail;
obex->port.out = ep;
- ep->driver_data = cdev; /* claim */

/* support all relevant hardware speeds... we expect that when
* hardware is dual speed, all bulk-capable endpoints work at
@@ -378,12 +376,6 @@ static int obex_bind(struct usb_configuration *c, struct usb_function *f)
return 0;

fail:
- /* we might as well release our claims on endpoints */
- if (obex->port.out)
- obex->port.out->driver_data = NULL;
- if (obex->port.in)
- obex->port.in->driver_data = NULL;
-
ERROR(cdev, "%s/%p: can't bind, err %d\n", f->name, f, status);

return status;
--
1.9.1