1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 43ee943d757a..30dd2636f262 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -914,11 +914,11 @@ 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);