[Powertop] [PATCH] ccstoh: Don't return success if something went wrong

exit(0) is the same as returning EXIT_SUCCESS which is a bad
idea after a severe failure. It will for example result in
wrong behaviour of make (make won't stop after such failures).

Returning EXIT_FAILURE fixes this.

Signed-off-by: Stefan Weil <sw(a)weilnetz.de>
---
 src/csstoh.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/csstoh.c b/src/csstoh.c
index e6b1dcf..28858f5 100644
--- a/src/csstoh.c
+++ b/src/csstoh.c
@@ -40,12 +40,12 @@ int main(int argc, char **argv)
 	in = fopen(argv[1], "rm");
 	if (!in) {
 		printf("Failed to open input file %s (%s) \n", argv[1], strerror(errno));
-		exit(0);
+		return EXIT_FAILURE;
 	}
 	out = fopen(argv[2], "wm");
 	if (!out) {
 		printf("Failed to open output file %s (%s) \n", argv[1], strerror(errno));
-		exit(0);
+		return EXIT_FAILURE;
 	}
 
 	fprintf(out, "#ifndef __INCLUDE_GUARD_CCS_H\n");
-- 
1.7.10