1 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 4cdd515a4385..5e49e82c4368 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -407,11 +407,11 @@ struct usb_host_bos {
 };
 
 int __usb_get_extra_descriptor(char *buffer, unsigned size,
-        unsigned char type, void **ptr);
+        unsigned char type, void **ptr, size_t min);
 #define usb_get_extra_descriptor(ifpoint, type, ptr) \
                                 __usb_get_extra_descriptor((ifpoint)->extra, \
                                 (ifpoint)->extralen, \
-                                type, (void **)ptr)
+                                type, (void **)ptr, sizeof(**(ptr)))
 
 /* ----------------------------------------------------------------------- */