From c613085b74941024194e41b200601b9aa6ee388f Mon Sep 17 00:00:00 2001
From: Arend van Spriel <arend.vanspriel@broadcom.com>
Date: Thu, 11 Jul 2019 11:05:08 +0200
Subject: [PATCH] brcmfmac: avoid firmware command in brcmf_netdev_open() when bus is down
Git-commit: c613085b74941024194e41b200601b9aa6ee388f
Patch-mainline: v5.4-rc1
References: jsc#SLE-13430
No point in sending a firmware command when bus is down so make it
conditional checking the state.
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 80d54d236a75..705b8cc53c3e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -579,7 +579,8 @@ static int brcmf_netdev_stop(struct net_device *ndev)
brcmf_cfg80211_down(ndev);
- brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear", NULL, 0);
+ if (ifp->drvr->bus_if->state == BRCMF_BUS_UP)
+ brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear", NULL, 0);
brcmf_net_setcarrier(ifp, false);
--
2.16.4