block: Free iovec arrays allocated by multiwrite_merge()

Commit Message

Stefan Hajnoczi April 21, 2010, 6:27 p.m. UTC

None

Patch

diff --git a/block.c b/block.c
index e891544..2d31474 100644
--- a/block.c
+++ b/block.c
@@ -1731,6 +1731,9 @@  static void multiwrite_user_cb(MultiwriteCB *mcb)
 
     for (i = 0; i < mcb->num_callbacks; i++) {
         mcb->callbacks[i].cb(mcb->callbacks[i].opaque, mcb->error);
+        if (mcb->callbacks[i].free_qiov) {
+            qemu_iovec_destroy(mcb->callbacks[i].free_qiov);
+        }
         qemu_free(mcb->callbacks[i].free_qiov);
         qemu_vfree(mcb->callbacks[i].free_buf);
     }