mg2d: do not leak the diff_coeffs interpolator

1 files changed, 7 insertions, 4 deletions

diff --git a/mg2d.c b/mg2d.c
index 0ae651b..a1d6950 100644
--- a/mg2d.c
+++ b/mg2d.c
@@ -250,7 +250,7 @@ static int restrict_diff_coeffs(MG2DContext *ctx, enum GridTransferOperator op,
 {
     MG2DInternal *priv = ctx->priv;
     GridTransferContext *tc;
-    int ret;
+    int ret = 0;
 
     tc = mg2di_gt_alloc(op);
     if (!tc)
@@ -271,15 +271,18 @@ static int restrict_diff_coeffs(MG2DContext *ctx, enum GridTransferOperator op,
 
     ret = mg2di_gt_init(tc);
     if (ret < 0)
-        return ret;
+        goto finish;
 
     for (int i = 0; i < MG2D_DIFF_COEFF_NB; i++) {
         ret = mg2di_gt_transfer(tc, dst->diff_coeffs[i], src->diff_coeffs[i]);
         if (ret < 0)
-            return ret;
+            goto finish;
     }
 
-    return 0;
+finish:
+    mg2di_gt_free(&tc);
+
+    return ret;
 }
 
 static double findmax(double *arr, size_t size[2], ptrdiff_t stride)