diff mbox series

[v2,2/3] wifi: cfg80211: Prevent cfg80211_wext_siwencodeext() on MLD

Message ID 20220730052643.1959111-3-quic_vjakkam@quicinc.com (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series wifi: cfg80211: Add support for key operations on MLD | expand

Commit Message

Veerendranath Jakkam July 30, 2022, 5:26 a.m. UTC 
Currently, MLO support is not added for WEXT code and WEXT handlers are
prevented on MLDs. Prevent WEXT handler cfg80211_wext_siwencodeext()
also on MLD which is missed in commit 7b0a0e3c3a88 ("wifi: cfg80211: do
 some rework towards MLO link APIs")

Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
---
 net/wireless/wext-compat.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index a9767bfe7330..129d3bb91dfb 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -685,6 +685,13 @@  static int cfg80211_wext_siwencodeext(struct net_device *dev,
 	    !rdev->ops->set_default_key)
 		return -EOPNOTSUPP;
 
+	wdev_lock(wdev);
+	if (wdev->valid_links) {
+		wdev_unlock(wdev);
+		return -EOPNOTSUPP;
+	}
+	wdev_unlock(wdev);
+
 	switch (ext->alg) {
 	case IW_ENCODE_ALG_NONE:
 		remove = true;