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openwrt/package/kernel/mac80211/patches/brcm/342-v5.1-brcmfmac-fix-syste...

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From 3a33bd840523aaa06f4429fbfd38922bf0dc2e8d Mon Sep 17 00:00:00 2001
From: Lo-Hsiang Lo <double.lo@cypress.com>
Date: Mon, 7 Jan 2019 08:46:16 +0000
Subject: [PATCH] brcmfmac: fix system warning message during wowl suspend
There is a system warning message, warn_slowpath-fmt, during suspend
while using supplicant join AP and enable wowl feature by IW command.
It's caused by brcmf_pno_remove_request path can't find the reqid.
This fix will not go to remove pno request function if there is no
pno scan.
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Lo-Hsiang Lo <double.lo@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
@@ -496,6 +496,11 @@ int brcmf_pno_stop_sched_scan(struct brc
brcmf_dbg(TRACE, "reqid=%llu\n", reqid);
pi = ifp_to_pno(ifp);
+
+ /* No PNO request */
+ if (!pi->n_reqs)
+ return 0;
+
err = brcmf_pno_remove_request(pi, reqid);
if (err)
return err;