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36 lines
1.4 KiB
Diff
36 lines
1.4 KiB
Diff
From b9472a2e3e452c414634b3ccb1ef6c4098878686 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Wed, 8 Mar 2017 14:50:17 +0100
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Subject: [PATCH] brcmfmac: Handle status == BRCMF_E_STATUS_ABORT in
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cfg80211_escan_handler
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If a scan gets aborted BRCMF_SCAN_STATUS_BUSY gets cleared in
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cfg->scan_status and when we receive an abort event from the firmware
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the BRCMF_SCAN_STATUS_BUSY check in the cfg80211_escan_handler will
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trigger resulting in multiple errors getting logged.
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Check for a status of BRCMF_E_STATUS_ABORT and in this case simply
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cleanly exit the cfg80211_escan_handler. This also avoids a
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BRCMF_E_STATUS_ABORT event arriving after a new scan has been started
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causing the new scan to complete prematurely without any data.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Acked-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/cfg80211.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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@@ -3097,6 +3097,9 @@ brcmf_cfg80211_escan_handler(struct brcm
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status = e->status;
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+ if (status == BRCMF_E_STATUS_ABORT)
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+ goto exit;
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+
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if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
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brcmf_err("scan not ready, bsscfgidx=%d\n", ifp->bsscfgidx);
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return -EPERM;
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