[PATCH] mac80211_hwsim: fix a possible memory leak in hwsim_new_radio_nl()

[YueHaibing]

'hwname' should be freed before leaving from the error handling cases,
otherwise it will cause mem leak

Fixes: cb1a5bae5684 ("mac80211_hwsim: add permanent mac address option for new 
radios")
Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/net/wireless/mac80211_hwsim.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/mac80211_hwsim.c 
b/drivers/net/wireless/mac80211_hwsim.c
index 96d26cf..4a017a0 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3236,6 +3236,7 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct 
genl_info *info)
                        GENL_SET_ERR_MSG(info,"MAC is no valid source addr");
                        NL_SET_BAD_ATTR(info->extack,
                                        info->attrs[HWSIM_ATTR_PERM_ADDR]);
+                       kfree(hwname);
                        return -EINVAL;
                }
 
-- 
2.7.0