From: Yann E. MORIN <yann.morin.1998@free.fr>
Date: Tue, 16 Jul 2013 18:32:33 +0000 (+0200)
Subject: kconfig: don't allocate n+1 elements in temporary array
X-Git-Tag: firefly_0821_release~176^2~5306^2~10^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1407f97aeda5720d6327d69f6058537c0fd469e3;p=firefly-linux-kernel-4.4.55.git

kconfig: don't allocate n+1 elements in temporary array

The temporary array that stores the search results is not NULL-terminated,
so there is no reason to allocate n+1 elements.

Reported-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
---

diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index b664d6ed515f..08d4401e646d 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -1010,7 +1010,7 @@ struct symbol **sym_re_search(const char *pattern)
 			continue;
 		if (regexec(&re, sym->name, 1, match, 0))
 			continue;
-		if (cnt + 1 >= size) {
+		if (cnt >= size) {
 			void *tmp;
 			size += 16;
 			tmp = realloc(sym_match_arr, size * sizeof(struct sym_match *));