This is helpful for debugging. Without this all I was getting from "iw" command on failed creating of P2P interface was: > command failed: Too many open files in system (-23) Signed-off-by: Rafał Miłecki <zajec5@xxxxxxxxx> --- V2: s/in/if/ in commit message V3: Add one more error message as suggested by Arend V4: Also update brcmf_cfg80211_add_iface & print error for AP --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 8 ++++++-- drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c | 3 ++- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 3d09d23..e7975a3 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -669,14 +669,18 @@ static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, return ERR_PTR(-EOPNOTSUPP); case NL80211_IFTYPE_AP: wdev = brcmf_ap_add_vif(wiphy, name, flags, params); - if (!IS_ERR(wdev)) + if (IS_ERR(wdev)) + brcmf_err("Failed to create AP interface %s: %d\n", name, PTR_ERR(wdev)); + else brcmf_cfg80211_update_proto_addr_mode(wdev); return wdev; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: case NL80211_IFTYPE_P2P_DEVICE: wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, flags, params); - if (!IS_ERR(wdev)) + if (IS_ERR(wdev)) + brcmf_err("Failed to create P2P interface %s: %d\n", name, PTR_ERR(wdev)); + else brcmf_cfg80211_update_proto_addr_mode(wdev); return wdev; case NL80211_IFTYPE_UNSPECIFIED: diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index 1652a48..bc26aec 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -2031,7 +2031,7 @@ static int brcmf_p2p_request_p2p_if(struct brcmf_p2p_info *p2p, err = brcmf_fil_iovar_data_set(ifp, "p2p_ifadd", &if_request, sizeof(if_request)); if (err) - return err; + brcmf_err("p2p_ifadd failed %d\n", err); return err; } @@ -2185,6 +2185,7 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, err = brcmf_p2p_request_p2p_if(&cfg->p2p, ifp, cfg->p2p.int_addr, iftype); if (err) { + brcmf_err("Failed to request P2P virtual interface %s\n", name); brcmf_cfg80211_arm_vif_event(cfg, NULL); goto fail; } -- 1.8.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html