copy: fix an unlikely memory leak when a fiemap copy fails

* src/copy.c (extent_copy): Free the extents array when
sparse_copy() fails.

diff --git a/src/copy.c b/src/copy.c
index d479b9c..9b53127 100644 (file)
--- a/src/copy.c
+++ b/src/copy.c
@@ -415,7 +415,7 @@ extent_copy (int src_fd, int dest_fd, char *buf, size_t buf_size,
                                   sparse_mode == SPARSE_ALWAYS,
                                   src_name, dst_name, ext_len, &n_read,
                                   &wrote_hole_at_eof))
-                return false;
+                goto fail;
 
               dest_pos = ext_start + n_read;
             }