openwrt/package/kernel/mac80211/patches/subsys/334-wifi-mac80211-remove-label-usage-in-ieee80211_start_.patch

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From: Aditya Kumar Singh <quic_adisi@quicinc.com>
Date: Fri, 6 Sep 2024 12:14:20 +0530
Subject: [PATCH] wifi: mac80211: remove label usage in
ieee80211_start_radar_detection()
After locks rework [1], ieee80211_start_radar_detection() function is no
longer acquiring any lock as such explicitly. Hence, it is not unlocking
anything as well. However, label "out_unlock" is still used which creates
confusion. Also, now there is no need of goto label as such.
Get rid of the goto logic and use direct return statements.
[1]: https://lore.kernel.org/all/20230828135928.b1c6efffe9ad.I4aec875e25abc9ef0b5ad1e70b5747fd483fbd3c@changeid/
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20240906064426.2101315-3-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3468,10 +3468,8 @@ static int ieee80211_start_radar_detecti
lockdep_assert_wiphy(local->hw.wiphy);
- if (!list_empty(&local->roc_list) || local->scanning) {
- err = -EBUSY;
- goto out_unlock;
- }
+ if (!list_empty(&local->roc_list) || local->scanning)
+ return -EBUSY;
/* whatever, but channel contexts should not complain about that one */
sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
@@ -3480,13 +3478,12 @@ static int ieee80211_start_radar_detecti
err = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
IEEE80211_CHANCTX_SHARED);
if (err)
- goto out_unlock;
+ return err;
wiphy_delayed_work_queue(wiphy, &sdata->deflink.dfs_cac_timer_work,
msecs_to_jiffies(cac_time_ms));
- out_unlock:
- return err;
+ return 0;
}
static void ieee80211_end_cac(struct wiphy *wiphy,