From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794047555; b=P+TZoqQy35ZGChKqPO/lS+PLBpVlDdyCd19PbtoH7GGwGmLO6xN6PNFmfBM3al6qADCT j0sX4lQA20BqVlEfAsEe4wrUlXjecWDyuy2vhuS0wxcGqquH4gfEHJ4D5HBkzKRt++sKV HW9J6sN9BRuY24gqNjkmKb5dUhypwlqmx1VcKQUSrJ7k1ibhQqP06iIAaBqfXn12SLBoy mEl3SGsN1RgotxgZlMsUNDzSV8B6lgD8+vc3ZOAU6eEzdeEJ47arpKJjy9nhPJcRKU1Wb KZZ3mv+4CPyR6DuebUEfotNaLQUPlB96XXecMD+Qs5JPWYzaY5/mH5xHkh8tA/lAceg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794047555; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=QRiw9gjrxdWpSmrh0f//1d5Ncf54GZ6l3C9wtPSKol8=; b=PxU8BK/sHCOB6EiwUY0MB3S7zMtpqO7pr6nd+uXUba8jrEUWTkpXmwxr7xYQbDSayTMS TzQziy4IM9KGh1jSPJOAJzNXhVCMj/5eNZ37Iu75kmbGkx0gdy24Dk834Q+EYm478L1BR GjCz6Zh8a5tM1jGZh3JQkhDD9RwfkCxeN5mlpppoUAFmqchg2LezhdvLu5EViyDiXvBhZ Bi9eJNZC0yptq3FjdntC4NcaDBYU43d8zMUf/XjL8S0Epcuojjh7Qzscc3XDUpxJK4QJD KjZwybPcpdIOAUMV5QAkruoKQInLbGafgVudv97ivVtjHV1KkT2kEPYdQfwJcrsWrRg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=D4Nu96pM; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7E7B6606A32C for ; Sat, 7 Nov 2026 10:32:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=D4Nu96pM Received: by smtp.kernel.org (Postfix) with ESMTPSA id EEC431F0089F; Sat, 7 Nov 2026 10:32:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794047555; bh=QRiw9gjrxdWpSmrh0f//1d5Ncf54GZ6l3C9wtPSKol8=; h=From:To:Cc:Subject:Date; b=D4Nu96pMichEzIYnLuNxRvI4TYRb8My3tHxe16Ipm2KwMI1QeOURMhhTEOZIRcNu4 +1mvzCn4hntpLn8pPQusjIEc/sEH+tLTOVkLlhnfI7/+r+l3OByXXx9niS4BXpKulb /361DGyNP8izHgycAR6KO8pj4cDYoMe3I6TYYTX55cJSrIpD4VPWdF1SBDl6qvuN3F qIja+ZS/vY4MJKUpqMUpHbjpO39dJ1S0NnVZ0K4s3USrx7qaNpCKXR55+gdUepCZCf mOrTVUqCFCSi5vkyZbl4BQBD+QSAZvSDcriecK1k1PZntYZxcdIPUlSKmSFsDG8Lqt Qq5C9YG/ZwIKA== From: Sasha Levin To: yicong@kylinos.cn, nbd@nbd.name Cc: stable@vger.kernel.org Subject: FAILED: patch "[PATCH] wifi: mt76: mt792x: fix negative errno truncation in offload capability" failed to apply to 6.6-stable tree Date: Sat, 7 Nov 2026 05:32:33 -0500 Message-ID: <20261107053233-failed-6.6-d0115096429c@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x d0115096429ca090a592770c7645f9553a839954 # git commit -s git send-email --to '' --in-reply-to '20261107053233-failed-6.6-d0115096429c@kernel.org' --subject-prefix 'PATCH 6.6.y' 'HEAD^..' Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From d0115096429ca090a592770c7645f9553a839954 Mon Sep 17 00:00:00 2001 From: Yi Cong Date: Mon, 24 Aug 2026 10:14:29 +0800 Subject: [PATCH] wifi: mt76: mt792x: fix negative errno truncation in offload capability Returning a negative errno as u8 turned -ENOENT into 0xfe, wrongly enabling CNM and NAN caps. Return int and default to no caps on error. Fixes: e8a264ccd2de ("wifi: mt76: mt7921: move init shared code in mt792x-lib module") Cc: stable@vger.kernel.org Signed-off-by: Yi Cong Link: https://patch.msgid.link/20260824021429.43761-1-cong.yi@linux.dev Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt792x_core.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_core.c b/drivers/net/wireless/mediatek/mt76/mt792x_core.c index f56f03bfe3874..3ce6c6ceac81c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x_core.c +++ b/drivers/net/wireless/mediatek/mt76/mt792x_core.c @@ -858,7 +858,7 @@ int mt792x_init_wiphy(struct ieee80211_hw *hw) } EXPORT_SYMBOL_GPL(mt792x_init_wiphy); -static u8 +static int mt792x_get_offload_capability(struct device *dev, const char *fw_wm) { const struct mt76_connac2_fw_trailer *hdr; @@ -927,13 +927,20 @@ mt792x_get_mac80211_ops(struct device *dev, void *drv_data, u8 *fw_features) { struct ieee80211_ops *ops; + int ret; ops = devm_kmemdup(dev, mac80211_ops, sizeof(struct ieee80211_ops), GFP_KERNEL); if (!ops) return NULL; - *fw_features = mt792x_get_offload_capability(dev, drv_data); + ret = mt792x_get_offload_capability(dev, drv_data); + if (ret < 0) { + dev_warn(dev, "failed to read firmware offload caps: %d\n", ret); + *fw_features = 0; + } else { + *fw_features = ret; + } if (mt792x_needs_cnm_runtime(drv_data)) *fw_features |= MT792x_FW_CAP_CNM; -- 2.53.0