netdev - [PATCH] brcmfmac: print error in p2p

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Date:	Tue, 24 May 2016 23:01:49 +0200
From:	Rafał Miłecki <zajec5@...il.com>
To:	Kalle Valo <kvalo@...eaurora.org>
Cc:	Rafał Miłecki <zajec5@...il.com>,
	Brett Rudley <brudley@...adcom.com>,
	Arend van Spriel <arend@...adcom.com>,
	"Franky (Zhenhui) Lin" <frankyl@...adcom.com>,
	Hante Meuleman <meuleman@...adcom.com>,
	Pieter-Paul Giesberts <pieter-paul.giesberts@...adcom.com>,
	linux-wireless@...r.kernel.org (open list:BROADCOM BRCM80211
	IEEE802.11n WIRELESS DRIVER),
	brcm80211-dev-list@...adcom.com (open list:BROADCOM BRCM80211
	IEEE802.11n WIRELESS DRIVER),
	netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] brcmfmac: print error in p2p_ifadd firmware command fails

This is helpful for debugging, without this all I was getting from "iw"
command on device with BCM43602 was:
> command failed: Too many open files in system (-23)

Signed-off-by: Rafał Miłecki <zajec5@...il.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
index 1652a48..f7b7e29 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;
 }
-- 
1.8.4.5