On Fri, 2017-05-12 at 15:20 +0000, Kalle Valo wrote: > Kalle Valo <kvalo@xxxxxxxxxxxxxx> writes: > Here's the diff between v5 and v6: trivia: > diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c [] > @@ -93,9 +94,11 @@ qtnf_change_virtual_intf(struct wiphy *wiphy, > > qtnf_scan_done(vif->mac, true); > > - if (qtnf_cmd_send_change_intf_type(vif, type, mac_addr)) { > - pr_err("failed to change interface type\n"); > - return -EFAULT; > + ret = qtnf_cmd_send_change_intf_type(vif, type, mac_addr); > + if (ret) { > + pr_err("VIF%u.%u: failed to change VIF type: %d\n", > + vif->mac->macid, vif->vifid, ret); It might make sense to add vif_<level> macros or functions to make sure the vif->mac->macid, vif->vifid are emitted consistently and simplify the calls For instance: vif_err(vif, "failed to change VIF type %d\n", ret); etc... Not necessarily in this patch, maybe in a future one.