mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-09-06 18:05:37 +00:00
qcow2: Free allocated L2 cluster on error
If an error occurs in l2_allocate, the allocated (but unused) L2 cluster should be freed. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
parent
fda74f826b
commit
e3b21ef9e0
|
@ -273,6 +273,10 @@ fail:
|
|||
qcow2_cache_put(bs, s->l2_table_cache, (void**) table);
|
||||
}
|
||||
s->l1_table[l1_index] = old_l2_offset;
|
||||
if (l2_offset > 0) {
|
||||
qcow2_free_clusters(bs, l2_offset, s->l2_size * sizeof(uint64_t),
|
||||
QCOW2_DISCARD_ALWAYS);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue