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wifi: mt76: fix vif link allocation

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Reuse the vif deflink for link_id = 0 in order to avoid confusion with
vif->bss_conf, which also gets a link id of 0.

Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2025-07-07 18:03:48 +02:00
parent e41c778558
commit d70f62b8f1
2 changed files with 6 additions and 3 deletions
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channel.c
+2 -2
View File
@@ -173,13 +173,13 @@ void mt76_unassign_vif_chanctx(struct ieee80211_hw *hw,
if (!mlink)
goto out;
if (link_conf != &vif->bss_conf)
if (mlink != (struct mt76_vif_link *)vif->drv_priv)
rcu_assign_pointer(mvif->link[link_id], NULL);
dev->drv->vif_link_remove(phy, vif, link_conf, mlink);
mlink->ctx = NULL;
if (link_conf != &vif->bss_conf)
if (mlink != (struct mt76_vif_link *)vif->drv_priv)
kfree_rcu(mlink, rcu_head);
out:
mt76.h
+4 -1
View File
@@ -1880,6 +1880,9 @@ mt76_vif_link(struct mt76_dev *dev, struct ieee80211_vif *vif, int link_id)
struct mt76_vif_link *mlink = (struct mt76_vif_link *)vif->drv_priv;
struct mt76_vif_data *mvif = mlink->mvif;
if (!link_id)
return mlink;
return mt76_dereference(mvif->link[link_id], dev);
}
@@ -1890,7 +1893,7 @@ mt76_vif_conf_link(struct mt76_dev *dev, struct ieee80211_vif *vif,
struct mt76_vif_link *mlink = (struct mt76_vif_link *)vif->drv_priv;
struct mt76_vif_data *mvif = mlink->mvif;
if (link_conf == &vif->bss_conf)
if (link_conf == &vif->bss_conf || !link_conf->link_id)
return mlink;
return mt76_dereference(mvif->link[link_conf->link_id], dev);