diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 020022e6ade4..f6e5db7ea50e 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1556,20 +1556,19 @@ static void uvc_video_complete(struct urb *urb)
  */
 static void uvc_free_urb_buffers(struct uvc_streaming *stream)
 {
-	unsigned int i;
+	struct uvc_urb *uvc_urb;
 
-	for (i = 0; i < UVC_URBS; ++i) {
-		struct uvc_urb *uvc_urb = &stream->uvc_urb[i];
+	for_each_uvc_urb(uvc_urb, stream) {
+		if (!uvc_urb->buffer)
+			continue;
 
-		if (uvc_urb->buffer) {
 #ifndef CONFIG_DMA_NONCOHERENT
-			usb_free_coherent(stream->dev->udev, stream->urb_size,
-					uvc_urb->buffer, uvc_urb->dma);
+		usb_free_coherent(stream->dev->udev, stream->urb_size,
+				  uvc_urb->buffer, uvc_urb->dma);
 #else
-			kfree(uvc_urb->buffer);
+		kfree(uvc_urb->buffer);
 #endif
-			uvc_urb->buffer = NULL;
-		}
+		uvc_urb->buffer = NULL;
 	}
 
 	stream->urb_size = 0;
@@ -1589,8 +1588,9 @@ static void uvc_free_urb_buffers(struct uvc_streaming *stream)
 static int uvc_alloc_urb_buffers(struct uvc_streaming *stream,
 	unsigned int size, unsigned int psize, gfp_t gfp_flags)
 {
+	struct uvc_urb *uvc_urb;
 	unsigned int npackets;
-	unsigned int i;
+	unsigned int i = 0;
 
 	/* Buffers are already allocated, bail out. */
 	if (stream->urb_size)
@@ -1605,8 +1605,12 @@ static int uvc_alloc_urb_buffers(struct uvc_streaming *stream,
 
 	/* Retry allocations until one succeed. */
 	for (; npackets > 1; npackets /= 2) {
-		for (i = 0; i < UVC_URBS; ++i) {
-			struct uvc_urb *uvc_urb = &stream->uvc_urb[i];
+		for_each_uvc_urb(uvc_urb, stream) {
+			/*
+			 * Track how many URBs we allocate, adding one to the
+			 * index to account for our zero index.
+			 */
+			i = uvc_urb_index(uvc_urb) + 1;
 
 			stream->urb_size = psize * npackets;
 #ifndef CONFIG_DMA_NONCOHERENT
@@ -1700,7 +1704,8 @@ static int uvc_init_video_isoc(struct uvc_streaming *stream,
 	struct usb_host_endpoint *ep, gfp_t gfp_flags)
 {
 	struct urb *urb;
-	unsigned int npackets, i, j;
+	struct uvc_urb *uvc_urb;
+	unsigned int npackets, j;
 	u16 psize;
 	u32 size;
 
@@ -1713,9 +1718,7 @@ static int uvc_init_video_isoc(struct uvc_streaming *stream,
 
 	size = npackets * psize;
 
-	for (i = 0; i < UVC_URBS; ++i) {
-		struct uvc_urb *uvc_urb = &stream->uvc_urb[i];
-
+	for_each_uvc_urb(uvc_urb, stream) {
 		urb = usb_alloc_urb(npackets, gfp_flags);
 		if (urb == NULL) {
 			uvc_video_stop(stream, 1);
@@ -1757,7 +1760,8 @@ static int uvc_init_video_bulk(struct uvc_streaming *stream,
 	struct usb_host_endpoint *ep, gfp_t gfp_flags)
 {
 	struct urb *urb;
-	unsigned int npackets, pipe, i;
+	struct uvc_urb *uvc_urb;
+	unsigned int npackets, pipe;
 	u16 psize;
 	u32 size;
 
@@ -1781,9 +1785,7 @@ static int uvc_init_video_bulk(struct uvc_streaming *stream,
 	if (stream->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
 		size = 0;
 
-	for (i = 0; i < UVC_URBS; ++i) {
-		struct uvc_urb *uvc_urb = &stream->uvc_urb[i];
-
+	for_each_uvc_urb(uvc_urb, stream) {
 		urb = usb_alloc_urb(0, gfp_flags);
 		if (urb == NULL) {
 			uvc_video_stop(stream, 1);
@@ -1810,6 +1812,7 @@ static int uvc_video_start(struct uvc_streaming *stream, gfp_t gfp_flags)
 {
 	struct usb_interface *intf = stream->intf;
 	struct usb_host_endpoint *ep;
+	struct uvc_urb *uvc_urb;
 	unsigned int i;
 	int ret;
 
@@ -1887,13 +1890,11 @@ static int uvc_video_start(struct uvc_streaming *stream, gfp_t gfp_flags)
 		return ret;
 
 	/* Submit the URBs. */
-	for (i = 0; i < UVC_URBS; ++i) {
-		struct uvc_urb *uvc_urb = &stream->uvc_urb[i];
-
+	for_each_uvc_urb(uvc_urb, stream) {
 		ret = usb_submit_urb(uvc_urb->urb, gfp_flags);
 		if (ret < 0) {
-			uvc_printk(KERN_ERR, "Failed to submit URB %u "
-					"(%d).\n", i, ret);
+			uvc_printk(KERN_ERR, "Failed to submit URB %u (%d).\n",
+				   uvc_urb_index(uvc_urb), ret);
 			uvc_video_stop(stream, 1);
 			return ret;
 		}
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index c0a120496a1f..6a0f1b59356c 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -617,6 +617,9 @@ struct uvc_streaming {
 	     (uvc_urb) < &(uvc_streaming)->uvc_urb[UVC_URBS]; \
 	     ++(uvc_urb))
 
+#define uvc_urb_index(uvc_urb) \
+	(unsigned int)((uvc_urb) - (&(uvc_urb)->stream->uvc_urb[0]))
+
 struct uvc_device_info {
 	u32	quirks;
 	u32	meta_format;
