mac80211_hwsim: fix memory leak in hwsim_new_radio_nl

When parse_pmsr_capa failed in hwsim_new_radio_nl, the memory resources
applied for by pmsr_capa are not released. Add release processing to the
incorrect path.

Fixes: 92d13386 ("mac80211_hwsim: add PMSR capability support")
Reported-by: syzbot+904ce6fbb38532d9795c@syzkaller.appspotmail.com
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230515092227.2691437-1-shaozhengchao@huawei.comSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/virtual/mac80211_hwsim.c

@@ -5964,10 +5964,11 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
 			ret = -ENOMEM;
 			goto out_free;
 		}
+		param.pmsr_capa = pmsr_capa;
+
 		ret = parse_pmsr_capa(info->attrs[HWSIM_ATTR_PMSR_SUPPORT], pmsr_capa, info);
 		if (ret)
 			goto out_free;
-		param.pmsr_capa = pmsr_capa;
 	}
 
 	ret = mac80211_hwsim_new_radio(info, &param);