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wifi: cfg80211: limit NAN func management APIs to offloaded DE

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A driver that declared that it has userspace DE should not call NAN func
related APIs such as cfg80211_nan_match and cfg80211_nan_func_terminated
Check and warn in such a case, as this indicates a driver bug.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260107141549.86fa96c75211.I8fbb0506377170dd7b41234f20bcba057951dd1e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Miri Korenblit
2026-01-07 14:15:56 +02:00
committed by Johannes Berg
parent e1696c8bd0
commit f816141cba
1 changed files with 6 additions and 0 deletions
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6
net/wireless/nl80211.c
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@@ -16126,6 +16126,9 @@ void cfg80211_nan_match(struct wireless_dev *wdev,
struct sk_buff *msg;
void *hdr;
if (WARN_ON(wiphy->nan_capa.flags & WIPHY_NAN_FLAGS_USERSPACE_DE))
return;
if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
return;
@@ -16208,6 +16211,9 @@ void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
struct nlattr *func_attr;
void *hdr;
if (WARN_ON(wiphy->nan_capa.flags & WIPHY_NAN_FLAGS_USERSPACE_DE))
return;
if (WARN_ON(!inst_id))
return;