Commit ff3821bc authored by Veerendranath Jakkam's avatar Veerendranath Jakkam Committed by Johannes Berg
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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: default avatarVeerendranath Jakkam <quic_vjakkam@quicinc.com>
Link: https://lore.kernel.org/r/1657517683-5724-1-git-send-email-quic_vjakkam@quicinc.com


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 38b6c01a

net/wireless/nl80211.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

		}