X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_mat.c;h=6b548492147f9d3e64915a85a5bf5e8ab35040c6;hb=9d324d06a55e275f4a33a76af5218d96bb3fc8f2;hp=16a79f755a23e51b4dac4e37a69041108d2a994c;hpb=27b230c534bdef3411e89011354b8606514f8614;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_mat.c b/isl_mat.c
index 16a79f7..6b54849 100644
--- a/isl_mat.c
+++ b/isl_mat.c
@@ -8,10 +8,10 @@
  */
 
 #include <isl_ctx_private.h>
+#include <isl_map_private.h>
 #include <isl/space.h>
 #include <isl/seq.h>
 #include <isl_mat_private.h>
-#include "isl_map_private.h"
 #include <isl_space_private.h>
 
 isl_ctx *isl_mat_get_ctx(__isl_keep isl_mat *mat)
@@ -204,19 +204,21 @@ struct isl_mat *isl_mat_cow(struct isl_mat *mat)
 	return mat2;
 }
 
-void isl_mat_free(struct isl_mat *mat)
+void *isl_mat_free(struct isl_mat *mat)
 {
 	if (!mat)
-		return;
+		return NULL;
 
 	if (--mat->ref > 0)
-		return;
+		return NULL;
 
 	if (!ISL_F_ISSET(mat, ISL_MAT_BORROWED))
 		isl_blk_free(mat->ctx, mat->block);
 	isl_ctx_deref(mat->ctx);
 	free(mat->row);
 	free(mat);
+
+	return NULL;
 }
 
 int isl_mat_rows(__isl_keep isl_mat *mat)
@@ -967,7 +969,8 @@ struct isl_mat *isl_mat_swap_rows(struct isl_mat *mat, unsigned i, unsigned j)
 	return mat;
 }
 
-struct isl_mat *isl_mat_product(struct isl_mat *left, struct isl_mat *right)
+__isl_give isl_mat *isl_mat_product(__isl_take isl_mat *left,
+	__isl_take isl_mat *right)
 {
 	int i, j, k;
 	struct isl_mat *prod;