From: Sven Verdoolaege <skimo@kotnet.org>
Date: Sun, 2 Dec 2012 15:56:50 +0000 (+0100)
Subject: isl_mat_transpose: handle NULL input
X-Git-Tag: isl-0.11~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ac2143d72da8f1e1f35d0870d8ef8b0cd16bda7b;p=platform%2Fupstream%2Fisl.git

isl_mat_transpose: handle NULL input

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

diff --git a/isl_mat.c b/isl_mat.c
index 6cd90e0..cff8123 100644
--- a/isl_mat.c
+++ b/isl_mat.c
@@ -909,6 +909,9 @@ struct isl_mat *isl_mat_transpose(struct isl_mat *mat)
 	struct isl_mat *transpose = NULL;
 	int i, j;
 
+	if (!mat)
+		return NULL;
+
 	if (mat->n_col == mat->n_row) {
 		mat = isl_mat_cow(mat);
 		if (!mat)