1 files changed, 4 insertions, 1 deletions
diff --git a/flash.h b/flash.h
index 3d47a165..535c1b86 100644
--- a/flash.h
+++ b/flash.h
@@ -224,9 +224,12 @@ int write_buf_to_file(unsigned char *buf, unsigned long size, const char *filena
 #define OK 0
 #define NT 1    /* Not tested */
 
-/* Something happened that shouldn't happen, but we can go on */
+/* Something happened that shouldn't happen, but we can go on. */
 #define ERROR_NONFATAL 0x100
 
+/* Something happened that shouldn't happen, we'll abort. */
+#define ERROR_FATAL -0xee
+
 /* cli_output.c */
 /* Let gcc and clang check for correct printf-style format strings. */
 int print(int type, const char *fmt, ...) __attribute__((format(printf, 2, 3)));