qcow2: free old snapshots array upon creation of a new one (Uri Lublin)

Don't leak memory

Rebased for qemu tree.

Signed-off-by: Uri Lublin <uril@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6245 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/block-qcow2.c b/block-qcow2.c
index 707109e..9aa7261 100644 (file)
--- a/block-qcow2.c
+++ b/block-qcow2.c
@@ -2024,6 +2024,7 @@ static int qcow_snapshot_create(BlockDriverState *bs,
     if (!snapshots1)
         goto fail;
     memcpy(snapshots1, s->snapshots, s->nb_snapshots * sizeof(QCowSnapshot));
+    qemu_free(s->snapshots);
     s->snapshots = snapshots1;
     s->snapshots[s->nb_snapshots++] = *sn;