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When changing from chardev-socket (which supports yank) to chardev-socket again, it fails, because the new chardev attempts to register a new yank instance. This in turn fails, as there still is the yank instance from the current chardev. Also, the old chardev shouldn't unregister the yank instance when it is freed. To fix this, now the new chardev only registers a yank instance if the current chardev doesn't support yank and thus hasn't registered one already. Also, when the old chardev is freed, it now only unregisters the yank instance if the new chardev doesn't need it. If the initialization of the new chardev fails, it still has chr->handover_yank_instance set and won't unregister the yank instance when it is freed. s->registered_yank is always true here, as chardev-change only works on user-visible chardevs and those are guraranteed to register a yank instance as they are initialized via chardev_new() qemu_char_open() cc->open() (qmp_chardev_open_socket()). Signed-off-by: Lukas Straub <lukasstraub2@web.de> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Tested-by: Li Zhang <li.zhang@cloud.ionos.com> Message-Id: <9637888d7591d2971975188478bb707299a1dc04.1617127849.git.lukasstraub2@web.de> |
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| .. | ||
| char-fd.h | ||
| char-fe.h | ||
| char-io.h | ||
| char-parallel.h | ||
| char-serial.h | ||
| char-win-stdio.h | ||
| char-win.h | ||
| char.h | ||
| spice.h | ||