nbd: fix nbd_server_stop crash when no server was running

This failed on the new assertion of qemu_set_fd_handler2:

qemu-system-x86_64: /home/pbonzini/work/upstream/qemu/iohandler.c:60: qemu_set_fd_handler2: Assertion `fd >= 0' failed.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-11-12 14:12:54 +01:00
parent 1d7d2a9d21
commit fc6467eaf2

View File

@ -113,7 +113,9 @@ void qmp_nbd_server_stop(Error **errp)
nbd_close_notifier(&cn->n, nbd_export_get_blockdev(cn->exp));
}
qemu_set_fd_handler2(server_fd, NULL, NULL, NULL, NULL);
close(server_fd);
server_fd = -1;
if (server_fd != -1) {
qemu_set_fd_handler2(server_fd, NULL, NULL, NULL, NULL);
close(server_fd);
server_fd = -1;
}
}