It would fail the compile due to the newly added error checking testing
a bad macro for a "return value" unless USB_GADGET_DEBUG_FILES was
enabled.
Pointed out by Stephen Hemminger.
Acked-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
#else
-#define device_create_file(a,b) do {} while (0)
-#define device_remove_file device_create_file
+#define device_create_file(a,b) (0)
+#define device_remove_file(a,b) do { } while (0)
#endif