6 files changed, 9 insertions, 10 deletions

diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 571917677d35..10f01f974f67 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1120,6 +1120,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 
 		ret = usb_ep_queue(ep->ep, req, GFP_ATOMIC);
 		if (unlikely(ret)) {
+			io_data->req = NULL;
 			usb_ep_free_request(ep->ep, req);
 			goto error_lock;
 		}
@@ -1703,7 +1704,7 @@ static void ffs_data_put(struct ffs_data *ffs)
 		pr_info("%s(): freeing\n", __func__);
 		ffs_data_clear(ffs);
 		BUG_ON(waitqueue_active(&ffs->ev.waitq) ||
-		       waitqueue_active(&ffs->ep0req_completion.wait) ||
+		       swait_active(&ffs->ep0req_completion.wait) ||
 		       waitqueue_active(&ffs->wait));
 		destroy_workqueue(ffs->io_completion_wq);
 		kfree(ffs->dev_name);
@@ -1812,6 +1813,10 @@ static void ffs_data_reset(struct ffs_data *ffs)
 	ffs->state = FFS_READ_DESCRIPTORS;
 	ffs->setup_state = FFS_NO_SETUP;
 	ffs->flags = 0;
+
+	ffs->ms_os_descs_ext_prop_count = 0;
+	ffs->ms_os_descs_ext_prop_name_len = 0;
+	ffs->ms_os_descs_ext_prop_data_len = 0;
 }
 
 
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 7c96c4665178..950d2a85f098 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -216,6 +216,7 @@
 #include <linux/freezer.h>
 #include <linux/module.h>
 #include <linux/uaccess.h>
+#include <asm/unaligned.h>
 
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c
index 8b72b192c747..d7f6cc51b7ec 100644
--- a/drivers/usb/gadget/function/f_phonet.c
+++ b/drivers/usb/gadget/function/f_phonet.c
@@ -48,7 +48,7 @@ struct f_phonet {
 	struct usb_ep			*in_ep, *out_ep;
 
 	struct usb_request		*in_req;
-	struct usb_request		*out_reqv[0];
+	struct usb_request		*out_reqv[];
 };
 
 static int phonet_rxq_size = 17;
diff --git a/drivers/usb/gadget/function/f_uac1_legacy.c b/drivers/usb/gadget/function/f_uac1_legacy.c
index 6677ae932de0..349deae7cabd 100644
--- a/drivers/usb/gadget/function/f_uac1_legacy.c
+++ b/drivers/usb/gadget/function/f_uac1_legacy.c
@@ -752,8 +752,6 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f)
 	audio->out_ep = ep;
 	audio->out_ep->desc = &as_out_ep_desc;
 
-	status = -ENOMEM;
-
 	/* copy descriptors, and track endpoint copies */
 	status = usb_assign_descriptors(f, f_audio_desc, f_audio_desc, NULL,
 					NULL);
diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c
index fb0a892687c0..0b9712616455 100644
--- a/drivers/usb/gadget/function/f_uvc.c
+++ b/drivers/usb/gadget/function/f_uvc.c
@@ -428,7 +428,7 @@ uvc_register_video(struct uvc_device *uvc)
 
 	video_set_drvdata(&uvc->vdev, uvc);
 
-	ret = video_register_device(&uvc->vdev, VFL_TYPE_GRABBER, -1);
+	ret = video_register_device(&uvc->vdev, VFL_TYPE_VIDEO, -1);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/usb/gadget/function/storage_common.h b/drivers/usb/gadget/function/storage_common.h
index e5e3a2553aaa..bdeb1e233fc9 100644
--- a/drivers/usb/gadget/function/storage_common.h
+++ b/drivers/usb/gadget/function/storage_common.h
@@ -172,11 +172,6 @@ enum data_direction {
 	DATA_DIR_NONE
 };
 
-static inline u32 get_unaligned_be24(u8 *buf)
-{
-	return 0xffffff & (u32) get_unaligned_be32(buf - 1);
-}
-
 static inline struct fsg_lun *fsg_lun_from_dev(struct device *dev)
 {
 	return container_of(dev, struct fsg_lun, dev);