From b970ac68e0c46aec8049ba69e621a3e62353d2ce Mon Sep 17 00:00:00 2001 From: Mukesh Sisodiya Date: Sun, 4 Jun 2023 12:11:19 +0300 Subject: [PATCH] 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 Signed-off-by: Gregory Greenman Link: https://lore.kernel.org/r/20230604120651.de5168568cf6.Ie16442af9be879fd835506ba5dade780edecfb60@changeid Signed-off-by: Johannes Berg --- drivers/net/wireless/virtual/mac80211_hwsim.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c index 5ff193bcd4b9..b06a6e78169d 100644 --- a/drivers/net/wireless/virtual/mac80211_hwsim.c +++ b/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); }