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wifi: mac80211: simplify ieee80211_assign_link_chanctx()

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There's no need for a label/goto here, the only thing is
that drv_assign_vif_chanctx() must succeed to set 'conf'
and add the new context to the list, the remaining code
is (and must be) the same regardless.

Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://msgid.link/20240418115219.a94852030d33.I9d647178ab25636372ed79e5312c68a06e0bf60c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-04-18 11:52:20 +02:00
parent 5e0c422d12
commit 87f5500285
1 changed files with 9 additions and 8 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

11
net/mac80211/chan.c
View file

@ -815,7 +815,7 @@ static int ieee80211_assign_link_chanctx(struct ieee80211_link_data *link,
struct ieee80211_local *local = sdata->local; struct ieee80211_local *local = sdata->local;
struct ieee80211_chanctx_conf *conf; struct ieee80211_chanctx_conf *conf;
struct ieee80211_chanctx *curr_ctx = NULL; struct ieee80211_chanctx *curr_ctx = NULL;
int ret = 0; int ret;
if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_NAN)) if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_NAN))
return -EOPNOTSUPP; return -EOPNOTSUPP;
@ -836,15 +836,16 @@ static int ieee80211_assign_link_chanctx(struct ieee80211_link_data *link,
ieee80211_recalc_chanctx_min_def(local, new_ctx, link); ieee80211_recalc_chanctx_min_def(local, new_ctx, link);
ret = drv_assign_vif_chanctx(local, sdata, link->conf, new_ctx); ret = drv_assign_vif_chanctx(local, sdata, link->conf, new_ctx);
if (ret) if (!ret) {
goto out; /* succeeded, so commit it to the data structures */
conf = &new_ctx->conf; conf = &new_ctx->conf;
list_add(&link->assigned_chanctx_list, list_add(&link->assigned_chanctx_list,
&new_ctx->assigned_links); &new_ctx->assigned_links);
} }
} else {
ret = 0;
}
out:
rcu_assign_pointer(link->conf->chanctx_conf, conf); rcu_assign_pointer(link->conf->chanctx_conf, conf);
sdata->vif.cfg.idle = !conf; sdata->vif.cfg.idle = !conf;