From 3a1500f4bdf130bfa1301b2bfe7ba4cf29bc5f0c Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Tue, 28 Jul 2015 17:36:22 +0200
Subject: [PATCH] isl_output.c: print_div: improve error handling

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---
 isl_output.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/isl_output.c b/isl_output.c
index 8c100d35..a46b2e22 100644
--- a/isl_output.c
+++ b/isl_output.c
@@ -515,7 +515,12 @@ error:
 static __isl_give isl_printer *print_div(__isl_keep isl_space *dim,
 	__isl_keep isl_mat *div, int pos, __isl_take isl_printer *p)
 {
-	int c = p->output_format == ISL_FORMAT_C;
+	int c;
+
+	if (!p || !div)
+		return isl_printer_free(p);
+
+	c = p->output_format == ISL_FORMAT_C;
 	p = isl_printer_print_str(p, c ? "floord(" : "floor((");
 	p = print_affine_of_len(dim, div, p,
 				div->row[pos] + 1, div->n_col - 1);
-- 
2.11.4.GIT