Index: iucode_tool.c
--- iucode_tool.c.orig
+++ iucode_tool.c
@@ -31,6 +31,7 @@
 #include <dirent.h>
 #include <time.h>
 #include <cpuid.h>
+#include <limits.h>
 
 #include "intel_microcode.h"
 
@@ -1796,7 +1797,7 @@ static int write_intel_microcodes(int dirfd,
 		e = e->next;
 	}
 	if (unlikely(!total_written)) {
-		return ENODATA;	/* don't create empty files */
+		return ENOTSUP;	/* don't create empty files */
 	} else if (unlikely(ft == 1 && total_written > UINT32_MAX)) {
 		/* file too large for cpio archive members */
 		print_err("%s: too much data", filename);
@@ -2430,7 +2431,7 @@ static int do_write_microcode(const char * const filen
 
 	print_msg(1, "Writing selected microcodes to: %s", filename);
 	rc = write_intel_microcodes(AT_FDCWD, filename, ft, microcodes);
-	if (rc == ENODATA) {
+	if (rc == ENOTSUP) {
 		print_warn("All microcodes in %s were skipped, file unchanged", filename);
 		return 0;
 	}
@@ -2607,7 +2608,7 @@ static int do_write_firmware(const char * const dirnam
 
 		if (!rc)
 			count++;
-		if (rc == ENODATA)
+		if (rc == ENOTSUP)
 			rc = 0;
 	}