mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-09-06 18:05:37 +00:00
block: Take graph rdlock in bdrv_drop_intermediate()
The function reads the parents list, so it needs to hold the graph lock. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Message-ID: <20230911094620.45040-18-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
parent
356f4ef611
commit
733467a1e6
2
block.c
2
block.c
|
@ -5938,9 +5938,11 @@ int bdrv_drop_intermediate(BlockDriverState *top, BlockDriverState *base,
|
||||||
backing_file_str = base->filename;
|
backing_file_str = base->filename;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
bdrv_graph_rdlock_main_loop();
|
||||||
QLIST_FOREACH(c, &top->parents, next_parent) {
|
QLIST_FOREACH(c, &top->parents, next_parent) {
|
||||||
updated_children = g_slist_prepend(updated_children, c);
|
updated_children = g_slist_prepend(updated_children, c);
|
||||||
}
|
}
|
||||||
|
bdrv_graph_rdunlock_main_loop();
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* It seems correct to pass detach_subchain=true here, but it triggers
|
* It seems correct to pass detach_subchain=true here, but it triggers
|
||||||
|
|
Loading…
Reference in a new issue