From 9f5332bafebe211bc3e904c6af39cf836cb76695 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 24 Apr 2025 15:38:20 +0300 Subject: [PATCH] wifi: iwlwifi: mld: fix iwl_mld_emlsr_disallowed_with_link() return The return type of iwl_mld_emlsr_disallowed_with_link() is a u32 bitmap of exit reasons, but in the data structure confusion case where the warning triggers, it returns false. Add a new reason bit for this case so it doesn't return that EMLSR is possible. Signed-off-by: Johannes Berg Reviewed-by: Benjamin Berg Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20250424153620.d1f8465e2b5e.I58c463c70801231a79b04c1ff600f41afcbb04f5@changeid Signed-off-by: Johannes Berg --- drivers/net/wireless/intel/iwlwifi/mld/iface.h | 2 ++ drivers/net/wireless/intel/iwlwifi/mld/mlo.c | 5 +++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mld/iface.h b/drivers/net/wireless/intel/iwlwifi/mld/iface.h index ec14d0736cee..1ae522431f3f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/iface.h +++ b/drivers/net/wireless/intel/iwlwifi/mld/iface.h @@ -59,6 +59,7 @@ enum iwl_mld_emlsr_blocked { * loaded enough to justify EMLSR. * @IWL_MLD_EMLSR_EXIT_RFI: Exit EMLSR due to RFI * @IWL_MLD_EMLSR_EXIT_FW_REQUEST: Exit EMLSR because the FW requested it + * @IWL_MLD_EMLSR_EXIT_INVALID: internal exit reason due to invalid data */ enum iwl_mld_emlsr_exit { IWL_MLD_EMLSR_EXIT_BLOCK = 0x1, @@ -72,6 +73,7 @@ enum iwl_mld_emlsr_exit { IWL_MLD_EMLSR_EXIT_CHAN_LOAD = 0x100, IWL_MLD_EMLSR_EXIT_RFI = 0x200, IWL_MLD_EMLSR_EXIT_FW_REQUEST = 0x400, + IWL_MLD_EMLSR_EXIT_INVALID = 0x800, }; /** diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mlo.c b/drivers/net/wireless/intel/iwlwifi/mld/mlo.c index bf158af5f6f3..5c92c0a6818d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/mlo.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/mlo.c @@ -52,7 +52,8 @@ static void iwl_mld_print_emlsr_blocked(struct iwl_mld *mld, u32 mask) HOW(BT_COEX) \ HOW(CHAN_LOAD) \ HOW(RFI) \ - HOW(FW_REQUEST) + HOW(FW_REQUEST) \ + HOW(INVALID) static const char * iwl_mld_get_emlsr_exit_string(enum iwl_mld_emlsr_exit exit) @@ -647,7 +648,7 @@ iwl_mld_emlsr_disallowed_with_link(struct iwl_mld *mld, conf = wiphy_dereference(wiphy, vif->link_conf[link->link_id]); if (WARN_ON_ONCE(!conf)) - return false; + return IWL_MLD_EMLSR_EXIT_INVALID; if (link->chandef->chan->band == NL80211_BAND_2GHZ && mld->bt_is_active) ret |= IWL_MLD_EMLSR_EXIT_BT_COEX; -- 2.25.1