From: Sven Verdoolaege <skimo@kotnet.org>
Date: Mon, 17 Sep 2012 11:47:48 +0000 (+0200)
Subject: isl_set_from_pw_multi_aff: handle NULL input
X-Git-Tag: isl-0.11~163
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1ed529af2ff565d747844ee8a8036041687433f6;p=platform%2Fupstream%2Fisl.git

isl_set_from_pw_multi_aff: handle NULL input

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---

diff --git a/isl_aff.c b/isl_aff.c
index 675801f..4d6a314 100644
--- a/isl_aff.c
+++ b/isl_aff.c
@@ -3092,6 +3092,9 @@ __isl_give isl_map *isl_map_from_pw_multi_aff(__isl_take isl_pw_multi_aff *pma)
 
 __isl_give isl_set *isl_set_from_pw_multi_aff(__isl_take isl_pw_multi_aff *pma)
 {
+	if (!pma)
+		return NULL;
+
 	if (!isl_space_is_set(pma->dim))
 		isl_die(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid,
 			"isl_pw_multi_aff cannot be converted into an isl_set",