wifi: mac80211_hwsim: check the return value of nla_put_u32

Check the return value of nla_put_u32() and handle it accordingly.

Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230604120651.de5168568cf6.Ie16442af9be879fd835506ba5dade780edecfb60@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/virtual/mac80211_hwsim.c

@@ -582,8 +582,9 @@ static int mac80211_hwsim_vendor_cmd_test(struct wiphy *wiphy,
 		 */
 
 		/* Add vendor data */
-		nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_TEST, val + 1);
-
+		err = nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_TEST, val + 1);
+		if (err)
+			return err;
 		/* Send the event - this will call nla_nest_end() */
 		cfg80211_vendor_event(skb, GFP_KERNEL);
 	}