From ff3821bc355275ada757dd2be8654dd0aae9c2f9 Mon Sep 17 00:00:00 2001 From: Veerendranath Jakkam Date: Mon, 11 Jul 2022 11:04:43 +0530 Subject: [PATCH] wifi: nl80211: Fix reading NL80211_ATTR_MLO_LINK_ID in nl80211_pre_doit nl80211_pre_doit() using nla_get_u16() to read u8 attribute NL80211_ATTR_MLO_LINK_ID. Fix this by using nla_get_u8() to read NL80211_ATTR_MLO_LINK_ID attribute. Signed-off-by: Veerendranath Jakkam Link: https://lore.kernel.org/r/1657517683-5724-1-git-send-email-quic_vjakkam@quicinc.com Signed-off-by: Johannes Berg --- net/wireless/nl80211.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index eda2ad0..e20d0fc 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -15835,7 +15835,7 @@ static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, /* MLO -> require valid link ID */ if (wdev->valid_links && (!link_id || - !(wdev->valid_links & BIT(nla_get_u16(link_id))))) { + !(wdev->valid_links & BIT(nla_get_u8(link_id))))) { err = -EINVAL; goto out_unlock; } -- 2.7.4