From: greearb@candelatech.com
To: linux-wireless@vger.kernel.org
Cc: Ben Greear <greearb@candelatech.com>
Subject: [PATCH wireless-next 16/28] wifi: iwlwifi: mld: Check for null in iwl_mld_wait_sta_txqs_empty
Date: Wed, 11 Mar 2026 16:07:18 -0700 [thread overview]
Message-ID: <20260311230730.163348-17-greearb@candelatech.com> (raw)
In-Reply-To: <20260311230730.163348-1-greearb@candelatech.com>
From: Ben Greear <greearb@candelatech.com>
I saw some crashes here in eMLSR torture test, looks like mld_txq
was NULL, so add check.
Signed-off-by: Ben Greear <greearb@candelatech.com>
---
drivers/net/wireless/intel/iwlwifi/mld/sta.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/sta.c b/drivers/net/wireless/intel/iwlwifi/mld/sta.c
index 6338ca46f68e..288fc4b7604e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mld/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mld/sta.c
@@ -789,7 +789,7 @@ void iwl_mld_wait_sta_txqs_empty(struct iwl_mld *mld, struct ieee80211_sta *sta)
struct iwl_mld_txq *mld_txq =
iwl_mld_txq_from_mac80211(sta->txq[i]);
- if (!mld_txq->status.allocated)
+ if (!mld_txq || !mld_txq->status.allocated)
continue;
iwl_trans_wait_txq_empty(mld->trans, mld_txq->fw_id);
--
2.42.0
next prev parent reply other threads:[~2026-03-11 23:07 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-11 23:07 [PATCH wireless-next 00/28] iwlwifi + mac80211 stability greearb
2026-03-11 23:07 ` [PATCH wireless-next 01/28] wifi: iwlwifi: mld: Check for NULL before lookup greearb
2026-03-11 23:07 ` [PATCH wireless-next 02/28] wifi: iwlwifi: mld: Fix un-set return value in error case greearb
2026-03-11 23:07 ` [PATCH wireless-next 03/28] wifi: iwlwifi: mld: Add check for null vif in stats callback greearb
2026-03-11 23:07 ` [PATCH wireless-next 04/28] wifi: mac80211: Check debugfs creation return values greearb
2026-03-11 23:07 ` [PATCH wireless-next 05/28] wifi: mac80211: do not fail taking sta to lower state greearb
2026-03-11 23:07 ` [PATCH wireless-next 06/28] wifi: mac80211: Mark sta as uploaded if single transition succeeds greearb
2026-03-11 23:07 ` [PATCH wireless-next 07/28] wifi: mac80211: Fix use-after-free of debugfs inodes greearb
2026-03-11 23:07 ` [PATCH wireless-next 08/28] wifi: mac80211: Debugfs safety checks greearb
2026-03-11 23:07 ` [PATCH wireless-next 09/28] wifi: mac80211: Use warn-on-once in drv_remove_chanctxt greearb
2026-03-11 23:07 ` [PATCH wireless-next 10/28] wifi: mac80211: Ensure sta debugfs is not double-freed greearb
2026-03-11 23:07 ` [PATCH wireless-next 11/28] wifi: iwlwifi: mld: Fix stale reference in fw_id_to_link_sta greearb
2026-03-11 23:07 ` [PATCH wireless-next 12/28] wifi: iwlwifi: mld: Improve logging in error cases greearb
2026-03-11 23:07 ` [PATCH wireless-next 13/28] wifi: iwlwifi: mld: Remove warning about BAID greearb
2026-03-11 23:07 ` [PATCH wireless-next 14/28] wifi: mac80211: Add dmesg log regarding warn-on in drv-stop greearb
2026-03-11 23:07 ` [PATCH wireless-next 15/28] wifi: iwlwifi: mld: Fix use-after-free of bss_conf greearb
2026-03-11 23:07 ` greearb [this message]
2026-03-11 23:07 ` [PATCH wireless-next 17/28] wifi: iwlwifi: mld: use warn-on-once in error path greearb
2026-03-11 23:07 ` [PATCH wireless-next 18/28] wifi: iwlwifi: mld: Use warn-on-once in emlsr exit logic greearb
2026-03-11 23:07 ` [PATCH wireless-next 19/28] wifi: iwlwifi: mld: Improve error message in rx path greearb
2026-03-11 23:07 ` [PATCH wireless-next 20/28] wifi: iwlwifi: mld: Improve logging message greearb
2026-03-11 23:07 ` [PATCH wireless-next 21/28] wifi: iwlwifi: mld: Protect from null mld_sta greearb
2026-03-11 23:07 ` [PATCH wireless-next 22/28] wifi: mac80211: Add force-cleanup call to driver greearb
2026-03-11 23:07 ` [PATCH wireless-next 23/28] wifi: iwlwifi: mld: Support force-cleanup op greearb
2026-03-11 23:07 ` [PATCH wireless-next 24/28] wifi: iwlwifi: mld: Fix NPE in flush logic greearb
2026-03-11 23:07 ` [PATCH wireless-next 25/28] wifi: iwlwifi: mld: Fix bad return address in tx code greearb
2026-03-11 23:07 ` [PATCH wireless-next 26/28] wifi: mac80211: Ensure link work-items are only initialized once greearb
2026-03-11 23:07 ` [PATCH wireless-next 27/28] wifi: iwlwifi: mld: Convert to WARN_ONCE in link removal path greearb
2026-03-11 23:07 ` [PATCH wireless-next 28/28] wifi: mac80211: Decrease WARN spam greearb
2026-03-12 14:25 ` [syzbot ci] Re: iwlwifi + mac80211 stability syzbot ci
2026-03-12 15:25 ` Ben Greear
2026-03-12 17:44 ` Johannes Berg
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