4 files changed, 22 insertions, 12 deletions

diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index bb558a575cb1..4cc8750e2a6f 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -114,8 +114,8 @@ static struct hid_descriptor hidg_desc = {
 	.bcdHID				= cpu_to_le16(0x0101),
 	.bCountryCode			= 0x00,
 	.bNumDescriptors		= 0x1,
-	/*.desc[0].bDescriptorType	= DYNAMIC */
-	/*.desc[0].wDescriptorLenght	= DYNAMIC */
+	/*.rpt_desc.bDescriptorType	= DYNAMIC */
+	/*.rpt_desc.wDescriptorLength	= DYNAMIC */
 };
 
 /* Super-Speed Support */
@@ -724,8 +724,8 @@ static int hidg_setup(struct usb_function *f,
 			struct hid_descriptor hidg_desc_copy = hidg_desc;
 
 			VDBG(cdev, "USB_REQ_GET_DESCRIPTOR: HID\n");
-			hidg_desc_copy.desc[0].bDescriptorType = HID_DT_REPORT;
-			hidg_desc_copy.desc[0].wDescriptorLength =
+			hidg_desc_copy.rpt_desc.bDescriptorType = HID_DT_REPORT;
+			hidg_desc_copy.rpt_desc.wDescriptorLength =
 				cpu_to_le16(hidg->report_desc_length);
 
 			length = min_t(unsigned short, length,
@@ -966,8 +966,8 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
 	 * We can use hidg_desc struct here but we should not relay
 	 * that its content won't change after returning from this function.
 	 */
-	hidg_desc.desc[0].bDescriptorType = HID_DT_REPORT;
-	hidg_desc.desc[0].wDescriptorLength =
+	hidg_desc.rpt_desc.bDescriptorType = HID_DT_REPORT;
+	hidg_desc.rpt_desc.wDescriptorLength =
 		cpu_to_le16(hidg->report_desc_length);
 
 	hidg_hs_in_ep_desc.bEndpointAddress =
diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index 3c9541357c24..55a81ad6837b 100644
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -1321,14 +1321,14 @@ static struct se_portal_group *usbg_make_tpg(struct se_wwn *wwn,
 	struct usbg_tport *tport = container_of(wwn, struct usbg_tport,
 			tport_wwn);
 	struct usbg_tpg *tpg;
-	unsigned long tpgt;
+	u16 tpgt;
 	int ret;
 	struct f_tcm_opts *opts;
 	unsigned i;
 
 	if (strstr(name, "tpgt_") != name)
 		return ERR_PTR(-EINVAL);
-	if (kstrtoul(name + 5, 0, &tpgt) || tpgt > UINT_MAX)
+	if (kstrtou16(name + 5, 0, &tpgt))
 		return ERR_PTR(-EINVAL);
 	ret = -ENODEV;
 	mutex_lock(&tpg_instances_lock);
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index 8802dd53fbea..5ca703d45d8c 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -290,8 +290,8 @@ __acquires(&port->port_lock)
 			break;
 	}
 
-	if (do_tty_wake && port->port.tty)
-		tty_wakeup(port->port.tty);
+	if (do_tty_wake)
+		tty_port_tty_wakeup(&port->port);
 	return status;
 }
 
@@ -568,7 +568,7 @@ static int gs_start_io(struct gs_port *port)
 		gs_start_tx(port);
 		/* Unblock any pending writes into our circular buffer, in case
 		 * we didn't in gs_start_tx() */
-		tty_wakeup(port->port.tty);
+		tty_port_tty_wakeup(&port->port);
 	} else {
 		/* Free reqs only if we are still connected */
 		if (port->port_usb) {
diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c
index a189b08bba80..5aeeaff7b283 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.c
+++ b/drivers/usb/gadget/function/uvc_v4l2.c
@@ -121,6 +121,9 @@ static struct uvcg_format *find_format_by_pix(struct uvc_device *uvc,
 	list_for_each_entry(format, &uvc->header->formats, entry) {
 		struct uvc_format_desc *fmtdesc = to_uvc_format(format->fmt);
 
+		if (IS_ERR(fmtdesc))
+			continue;
+
 		if (fmtdesc->fcc == pixelformat) {
 			uformat = format->fmt;
 			break;
@@ -240,6 +243,7 @@ uvc_v4l2_try_format(struct file *file, void *fh, struct v4l2_format *fmt)
 	struct uvc_video *video = &uvc->video;
 	struct uvcg_format *uformat;
 	struct uvcg_frame *uframe;
+	const struct uvc_format_desc *fmtdesc;
 	u8 *fcc;
 
 	if (fmt->type != video->queue.queue.type)
@@ -265,7 +269,10 @@ uvc_v4l2_try_format(struct file *file, void *fh, struct v4l2_format *fmt)
 	fmt->fmt.pix.field = V4L2_FIELD_NONE;
 	fmt->fmt.pix.bytesperline = uvc_v4l2_get_bytesperline(uformat, uframe);
 	fmt->fmt.pix.sizeimage = uvc_get_frame_size(uformat, uframe);
-	fmt->fmt.pix.pixelformat = to_uvc_format(uformat)->fcc;
+	fmtdesc = to_uvc_format(uformat);
+	if (IS_ERR(fmtdesc))
+		return PTR_ERR(fmtdesc);
+	fmt->fmt.pix.pixelformat = fmtdesc->fcc;
 	fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SRGB;
 	fmt->fmt.pix.priv = 0;
 
@@ -378,6 +385,9 @@ uvc_v4l2_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 		f->flags |= V4L2_FMT_FLAG_COMPRESSED;
 
 	fmtdesc = to_uvc_format(uformat);
+	if (IS_ERR(fmtdesc))
+		return PTR_ERR(fmtdesc);
+
 	f->pixelformat = fmtdesc->fcc;
 
 	strscpy(f->description, fmtdesc->name, sizeof(f->description));