34 lines
1.3 KiB
Diff
34 lines
1.3 KiB
Diff
From e0bfb9601d4812719167cc4124a0d6db1e2f55e4 Mon Sep 17 00:00:00 2001
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From: Arend van Spriel <arend.vanspriel@broadcom.com>
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Date: Thu, 11 Jul 2019 11:05:11 +0200
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Subject: [PATCH] brcmfmac: simply remove flowring if bus is down
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When the bus is down, eg. due to rmmod, there is no need to
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attempt to inform firmware about it.
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Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
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Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
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Reviewed-by: Franky Lin <franky.lin@broadcom.com>
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Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c | 7 +++++++
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1 file changed, 7 insertions(+)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
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@@ -1406,6 +1406,13 @@ void brcmf_msgbuf_delete_flowring(struct
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u8 ifidx;
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int err;
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+ /* no need to submit if firmware can not be reached */
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+ if (drvr->bus_if->state != BRCMF_BUS_UP) {
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+ brcmf_dbg(MSGBUF, "bus down, flowring will be removed\n");
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+ brcmf_msgbuf_remove_flowring(msgbuf, flowid);
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+ return;
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+ }
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+
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commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_CONTROL_SUBMIT];
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brcmf_commonring_lock(commonring);
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ret_ptr = brcmf_commonring_reserve_for_write(commonring);
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