Merge commit 'perf/core' into perf/hw-breakpoint

Conflicts:
	kernel/Makefile
	kernel/trace/Makefile
	kernel/trace/trace.h
	samples/Makefile

Merge reason: We need to be uptodate with the perf events development
branch because we plan to rewrite the breakpoints API on top of
perf events.

1 files changed, 11 insertions, 6 deletions

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index a26f73880c32..b1b85abb9a2d 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -311,7 +311,7 @@ static struct dev_pm_ops usb_device_pm_ops = {
 #endif	/* CONFIG_PM */
 
 
-static char *usb_nodename(struct device *dev)
+static char *usb_devnode(struct device *dev, mode_t *mode)
 {
 	struct usb_device *usb_dev;
 
@@ -324,7 +324,7 @@ struct device_type usb_device_type = {
 	.name =		"usb_device",
 	.release =	usb_release_dev,
 	.uevent =	usb_dev_uevent,
-	.nodename = 	usb_nodename,
+	.devnode = 	usb_devnode,
 	.pm =		&usb_device_pm_ops,
 };
 
@@ -413,8 +413,13 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
 		} else {
 			snprintf(dev->devpath, sizeof dev->devpath,
 				"%s.%d", parent->devpath, port1);
-			dev->route = parent->route +
-				(port1 << ((parent->level - 1)*4));
+			/* Route string assumes hubs have less than 16 ports */
+			if (port1 < 15)
+				dev->route = parent->route +
+					(port1 << ((parent->level - 1)*4));
+			else
+				dev->route = parent->route +
+					(15 << ((parent->level - 1)*4));
 		}
 
 		dev->dev.parent = &parent->dev;
@@ -914,11 +919,11 @@ int usb_buffer_map_sg(const struct usb_device *dev, int is_in,
 			|| !(bus = dev->bus)
 			|| !(controller = bus->controller)
 			|| !controller->dma_mask)
-		return -1;
+		return -EINVAL;
 
 	/* FIXME generic api broken like pci, can't report errors */
 	return dma_map_sg(controller, sg, nents,
-			is_in ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
+			is_in ? DMA_FROM_DEVICE : DMA_TO_DEVICE) ? : -ENOMEM;
 }
 EXPORT_SYMBOL_GPL(usb_buffer_map_sg);