3 files changed, 16 insertions, 14 deletions

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 371313a7366b..9bc6027d04d0 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -2040,10 +2040,7 @@ static int uvc_register_chains(struct uvc_device *dev)
  * USB probe, disconnect, suspend and resume
  */
 
-struct uvc_device_info {
-	u32	quirks;
-	u32	meta_format;
-};
+static const struct uvc_device_info uvc_quirk_none = { 0 };
 
 static int uvc_probe(struct usb_interface *intf,
 		     const struct usb_device_id *id)
@@ -2052,7 +2049,6 @@ static int uvc_probe(struct usb_interface *intf,
 	struct uvc_device *dev;
 	const struct uvc_device_info *info =
 		(const struct uvc_device_info *)id->driver_info;
-	u32 quirks = info ? info->quirks : 0;
 	int function;
 	int ret;
 
@@ -2079,10 +2075,9 @@ static int uvc_probe(struct usb_interface *intf,
 	dev->udev = usb_get_dev(udev);
 	dev->intf = usb_get_intf(intf);
 	dev->intfnum = intf->cur_altsetting->desc.bInterfaceNumber;
-	dev->quirks = (uvc_quirks_param == -1)
-		    ? quirks : uvc_quirks_param;
-	if (info)
-		dev->meta_format = info->meta_format;
+	dev->info = info ? info : &uvc_quirk_none;
+	dev->quirks = uvc_quirks_param == -1
+		    ? dev->info->quirks : uvc_quirks_param;
 
 	if (udev->product != NULL)
 		strlcpy(dev->name, udev->product, sizeof(dev->name));
@@ -2123,7 +2118,7 @@ static int uvc_probe(struct usb_interface *intf,
 		le16_to_cpu(udev->descriptor.idVendor),
 		le16_to_cpu(udev->descriptor.idProduct));
 
-	if (dev->quirks != quirks) {
+	if (dev->quirks != dev->info->quirks) {
 		uvc_printk(KERN_INFO, "Forcing device quirks to 0x%x by module "
 			"parameter for testing purpose.\n", dev->quirks);
 		uvc_printk(KERN_INFO, "Please report required quirks to the "
diff --git a/drivers/media/usb/uvc/uvc_metadata.c b/drivers/media/usb/uvc/uvc_metadata.c
index cd1aec19cc5b..ed0f0c0732cb 100644
--- a/drivers/media/usb/uvc/uvc_metadata.c
+++ b/drivers/media/usb/uvc/uvc_metadata.c
@@ -74,7 +74,8 @@ static int uvc_meta_v4l2_try_format(struct file *file, void *fh,
 
 	memset(fmt, 0, sizeof(*fmt));
 
-	fmt->dataformat = fmeta == dev->meta_format ? fmeta : V4L2_META_FMT_UVC;
+	fmt->dataformat = fmeta == dev->info->meta_format
+			? fmeta : V4L2_META_FMT_UVC;
 	fmt->buffersize = UVC_METATADA_BUF_SIZE;
 
 	return 0;
@@ -118,14 +119,14 @@ static int uvc_meta_v4l2_enum_formats(struct file *file, void *fh,
 	u32 index = fdesc->index;
 
 	if (fdesc->type != vfh->vdev->queue->type ||
-	    index > 1U || (index && !dev->meta_format))
+	    index > 1U || (index && !dev->info->meta_format))
 		return -EINVAL;
 
 	memset(fdesc, 0, sizeof(*fdesc));
 
 	fdesc->type = vfh->vdev->queue->type;
 	fdesc->index = index;
-	fdesc->pixelformat = index ? dev->meta_format : V4L2_META_FMT_UVC;
+	fdesc->pixelformat = index ? dev->info->meta_format : V4L2_META_FMT_UVC;
 
 	return 0;
 }
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 59d66e5b8887..591eae3d0b0d 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -572,15 +572,21 @@ struct uvc_streaming {
 	} clock;
 };
 
+struct uvc_device_info {
+	u32	quirks;
+	u32	meta_format;
+};
+
 struct uvc_device {
 	struct usb_device *udev;
 	struct usb_interface *intf;
 	unsigned long warnings;
 	u32 quirks;
-	u32 meta_format;
 	int intfnum;
 	char name[32];
 
+	const struct uvc_device_info *info;
+
 	struct mutex lock;		/* Protects users */
 	unsigned int users;
 	atomic_t nmappings;