Merge tag 'usb-3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a bunch of USB fixes for 3.18-rc3.

  Mostly usb-serial device ids and gadget fixes for issues that have
  been reported.  Full details are in the shortlog.

  All of these have been in linux-next for a while"

* tag 'usb-3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (42 commits)
  usb: chipidea: Fix oops when removing the ci_hdrc module
  usb: gadget: function: Fixed the return value on error path
  usb: dwc2: gadget: disable phy before turning off power regulators
  usb: gadget: function: Remove redundant usb_free_all_descriptors
  usb: dwc3: gadget: Properly initialize LINK TRB
  usb: dwc2: gadget: fix gadget unregistration in udc_stop() function
  usb: dwc2: Bits in bitfield should add up to 32
  usb: dwc2: gadget: sparse warning of context imbalance
  usb: gadget: udc: core: fix kernel oops with soft-connect
  usb: musb: musb_dsps: fix NULL pointer in suspend
  usb: musb: dsps: start OTG timer on resume again
  usb: gadget: loopback: don't queue requests to bogus endpoints
  usb: ffs: fix regression when quirk_ep_out_aligned_size flag is set
  usb: gadget: f_fs: remove redundant ffs_data_get()
  usb: gadget: udc: USB_GADGET_XILINX should depend on HAS_DMA
  Revert "usb: dwc3: dwc3-omap: Disable/Enable only wrapper interrupts in prepare/complete"
  usb: gadget: composite: enable BESL support
  usb: musb: cppi41: restart hrtimer only if not yet done
  usb: dwc3: ep0: fix Data Phase for transfer sizes aligned to wMaxPacketSize
  usb: serial: ftdi_sio: add "bricked" FTDI device PID
  ...

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/usb/gadget/function/f_obex.c b/drivers/usb/gadget/function/f_obex.c
index 5f40080c92cc..a1b79c53499c 100644
--- a/drivers/usb/gadget/function/f_obex.c
+++ b/drivers/usb/gadget/function/f_obex.c
@@ -35,6 +35,7 @@ struct f_obex {
 	struct gserial			port;
 	u8				ctrl_id;
 	u8				data_id;
+	u8				cur_alt;
 	u8				port_num;
 	u8				can_activate;
 };
@@ -235,6 +236,8 @@ static int obex_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 	} else
 		goto fail;
 
+	obex->cur_alt = alt;
+
 	return 0;
 
 fail:
@@ -245,10 +248,7 @@ static int obex_get_alt(struct usb_function *f, unsigned intf)
 {
 	struct f_obex		*obex = func_to_obex(f);
 
-	if (intf == obex->ctrl_id)
-		return 0;
-
-	return obex->port.in->driver_data ? 1 : 0;
+	return obex->cur_alt;
 }
 
 static void obex_disable(struct usb_function *f)
@@ -397,7 +397,6 @@ static int obex_bind(struct usb_configuration *c, struct usb_function *f)
 	return 0;
 
 fail:
-	usb_free_all_descriptors(f);
 	/* we might as well release our claims on endpoints */
 	if (obex->port.out)
 		obex->port.out->driver_data = NULL;