On Fri, Apr 16, 2021 at 11:08:40AM +0300, Vladimir Sementsov-Ogievskiy wrote:
> We have two "return error" paths in nbd_open() after
> nbd_process_options(). Actually we should call nbd_clear_bdrvstate()
> on these paths. Interesting that nbd_process_options() calls
> nbd_clear_bdrvstate() by itself.
> 
> Let's fix leaks and refactor things to be more obvious:
> 
> - intialize yank at top of nbd_open()
> - move yank cleanup to nbd_clear_bdrvstate()
> - refactor nbd_open() so that all failure paths except for
>   yank-register goes through nbd_clear_bdrvstate()
> 
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
> ---
>  block/nbd.c | 36 ++++++++++++++++++------------------
>  1 file changed, 18 insertions(+), 18 deletions(-)
>

Reviewed-by: Eric Blake <ebl...@redhat.com>

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org


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