From: Sven Verdoolaege <skimo@kotnet.org>
Date: Fri, 25 Jun 2010 18:55:12 +0000 (+0200)
Subject: isl_tab_pip.c: sol_map_init: avoid NULL pointer dereference
X-Git-Tag: isl-0.03~46
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c266d821693f7c6b9ff24e73a4b5f661108a019d;hp=c1f805bb0ed54dd712e04b666bb8f40407ee936c;p=platform%2Fupstream%2Fisl.git

isl_tab_pip.c: sol_map_init: avoid NULL pointer dereference
---

diff --git a/isl_tab_pip.c b/isl_tab_pip.c
index b616a33..41319fe 100644
--- a/isl_tab_pip.c
+++ b/isl_tab_pip.c
@@ -505,6 +505,8 @@ struct isl_sol_map {
 
 static void sol_map_free(struct isl_sol_map *sol_map)
 {
+	if (!sol_map)
+		return;
 	if (sol_map->sol.context)
 		sol_map->sol.context->op->free(sol_map->sol.context);
 	isl_map_free(sol_map->map);
@@ -3210,7 +3212,10 @@ static struct isl_context *isl_context_alloc(struct isl_basic_set *dom)
 static struct isl_sol_map *sol_map_init(struct isl_basic_map *bmap,
 	struct isl_basic_set *dom, int track_empty, int max)
 {
-	struct isl_sol_map *sol_map;
+	struct isl_sol_map *sol_map = NULL;
+
+	if (!bmap)
+		goto error;
 
 	sol_map = isl_calloc_type(bmap->ctx, struct isl_sol_map);
 	if (!sol_map)