From 42b13ba15a1ef5764eea8b84196fa5a1aea2e094 Mon Sep 17 00:00:00 2001
From: Daniel Burgener <dburgener@linux.microsoft.com>
Date: Tue, 10 Mar 2020 10:41:33 -0400
Subject: [PATCH] checkpolicy: Treat invalid characters as an error

Previously the behavior was to warn, discard the character and proceed.
Now the build will halt upon encountering an unexpected character.

Signed-off-by: Daniel Burgener <dburgener@linux.microsoft.com>
Acked-by: James Carter <jwcart2@gmail.com>
---
 checkpolicy/policy_scan.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/checkpolicy/policy_scan.l b/checkpolicy/policy_scan.l
index e2f676e4..8c100f3d 100644
--- a/checkpolicy/policy_scan.l
+++ b/checkpolicy/policy_scan.l
@@ -290,7 +290,7 @@ GLBLUB				{ return(GLBLUB); }
 "]" |
 "~" |
 "*"				{ return(yytext[0]); } 
-.                               { yywarn("unrecognized character");}
+.                               { yyerror("unrecognized character");}
 %%
 int yyerror(const char *msg)
 {