From: John Keeping <john@keeping.me.uk>
Date: Wed, 3 Apr 2013 19:17:55 +0000 (+0100)
Subject: bisect: avoid signed integer overflow
X-Git-Tag: v1.8.2.2~41^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7b96d8880252d70c334857f80ef54009133dbaf3;p=thirdparty%2Fgit.git

bisect: avoid signed integer overflow

Signed-off-by: John Keeping <john@keeping.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/bisect.c b/bisect.c
index 1aad49b1a6..7f95273e69 100644
--- a/bisect.c
+++ b/bisect.c
@@ -525,9 +525,9 @@ struct commit_list *filter_skipped(struct commit_list *list,
  * is increased by one between each call, but that should not matter
  * for this application.
  */
-static int get_prn(int count) {
+static unsigned get_prn(unsigned count) {
 	count = count * 1103515245 + 12345;
-	return ((unsigned)(count/65536) % PRN_MODULO);
+	return (count/65536) % PRN_MODULO;
 }
 
 /*