From: Tom Tromey <tom@tromey.com>
Date: Sat, 20 Jan 2018 22:09:40 +0000 (-0700)
Subject: fix possible infinite loop in find_filename_hash_slot
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=72c8dee162db7cc4d6405d97a097875ff0cd2f85;p=emacs.git

fix possible infinite loop in find_filename_hash_slot
---

diff --git a/lib-src/etags.c b/lib-src/etags.c
index f7632f3275c..982e3a0a1e5 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -7683,8 +7683,7 @@ find_filename_hash_slot (const char *filename)
 	  || streq (filename_hash_table[index], filename))
 	return &filename_hash_table[index];
 
-      /* Add 1 because, if VAL==0, we won't advance.  */
-      index = (index + val + 1) % filename_hash_size;
+      index = (index + 3) % filename_hash_size;
     }
 }