Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Arend van Spriel <arend.vanspriel@broadcom.com>
To:     Kalle Valo <kvalo@kernel.org>
Cc:     linux-wireless@vger.kernel.org,
        Arend van Spriel <arend.vanspriel@broadcom.com>,
        chainofflowers <chainofflowers@posteo.net>,
        Christian Marillat <marillat@debian.org>
Subject: [PATCH V2] wifi: brcmfmac: fix regression for Broadcom PCIe wifi devices
Date:   Wed, 11 Jan 2023 12:24:19 +0100
Message-Id: <20230111112419.24185-1-arend.vanspriel@broadcom.com>
MIME-Version: 1.0
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A sanity check was introduced considering maximum flowrings above
256 as insane and effectively aborting the device probe. This
resulted in regression for number of users as the value turns out
to be sane after all.

Fixes: 2aca4f3734bd ("brcmfmac: return error when getting invalid max_flowrings from dongle")
Reported-by: chainofflowers <chainofflowers@posteo.net>
Link: https://lore.kernel.org/all/4781984.GXAFRqVoOG@luna/
Reported-by: Christian Marillat <marillat@debian.org>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216894
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
index ae57a9a3ab05..b67f6d0810b6 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -1228,7 +1228,7 @@ static int brcmf_pcie_init_ringbuffers(struct brcmf_pciedev_info *devinfo)
 				BRCMF_NROF_H2D_COMMON_MSGRINGS;
 		max_completionrings = BRCMF_NROF_D2H_COMMON_MSGRINGS;
 	}
-	if (max_flowrings > 256) {
+	if (max_flowrings > 512) {
 		brcmf_err(bus, "invalid max_flowrings(%d)\n", max_flowrings);
 		return -EIO;
 	}
-- 
2.32.0


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