Add a hint about sudo to rtcread

fk86058 · Apr 19, 2020 · b72dcd9 · b72dcd9
1 parent 9927ee9
commit b72dcd9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Tools/rtcread/rtcread.c b/Tools/rtcread/rtcread.c
@@ -124,6 +124,7 @@ bool rtc_verify(void) {
 
 	if (ret != KERN_SUCCESS) {
 		fprintf(stderr, "AppleRTC I/O failure %X\n", ret);
+		fprintf(stderr, "Make sure you have enough permissions, e.g. run with sudo\n");
 		return false;
 	}