diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 0b5ec23..b3bdfed 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -435,7 +435,7 @@
 
 			len = sg->length;
 			if (length) {
-				len = min_t(unsigned, len, length);
+				len = min_t(size_t, len, length);
 				length -= len;
 				if (length == 0)
 					io->entries = i + 1;