* [PATCH 5.15.y] Revert "wifi: cfg80211: stop NAN and P2P in cfg80211_leave"
@ 2026-04-14 3:20 guocai.he.cn
0 siblings, 0 replies; only message in thread
From: guocai.he.cn @ 2026-04-14 3:20 UTC (permalink / raw)
To: gregkh
Cc: stable, johannes.berg, netdev, regressions,
miriam.rachel.korenblit, linux-kernel
From: Guocai He <guocai.he.cn@windriver.com>
This reverts commit 31344ffecd7a34335ce2b52e8c205bce3cbfca4b which is commit
e1696c8bd0056bc1a5f7766f58ac333adc203e8a upstream.
The reverted patch introduced a deadlock. The locking situation in mainline is
totally different, so it is incorrect to directly backport the commit from mainline.
Signed-off-by: Guocai He <guocai.he.cn@windriver.com>
---
net/wireless/core.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 22e6fd12f201..58b91e9647c2 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -1300,10 +1300,8 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev,
__cfg80211_leave_ocb(rdev, dev);
break;
case NL80211_IFTYPE_P2P_DEVICE:
- cfg80211_stop_p2p_device(rdev, wdev);
- break;
case NL80211_IFTYPE_NAN:
- cfg80211_stop_nan(rdev, wdev);
+ /* cannot happen, has no netdev */
break;
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MONITOR:
--
2.34.1
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