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=1794046163; b=Opd+swiaNCn+PxZzgLf5J3gw8Vr4SN8S1GsQzIUmjReNTnkSrJq342elqNLno8RajEV8 2xYVgLbcDBczrJChBmVUIl6ECQ7Ijasfg5IQJgiF31KrFZXsZqvTeB+PwEDJy7NDzQFRF /WqD/wHMMiIy/Ty2WfegqsYR78klBDVRvu7mCMhZgHoqliE92jIcAChT9eIhij8ZQ8Hhd Ug4UlbbisKLfuG6h17v3cAh6FeHYI2MebhHvbWa8Rdu/gzkALgwTzqg+XMkTfF1yCaF7u ABryRoNI6qUVMfZbgnt3NVBpBIi3bOo+O/xgPJ/KOZZVYty0tHxpQl8gUf1TQ1JlHQA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794046163; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=23NQe1ca32mdDZl7ebn5BJi/YlZvQaMl6r3XrRBcPMk=; b=ylX3gFedN5hW0M3tNob7UMq3TxwffplbYUvZOOR2YQLRw+eyvjDA3/k5lbtjD8UbPrAm AUBnbv1EqY7ETBKVqshFWtsdjPspjomzg01UrbJfTD13jVTKGJcZbJQ9bU8oAB+SZi3a1 7j0L1YdRiMqS6hIUxftyS9CVAhHdop7VCVhXB7EAWrq0ofaJ8nf8y4P2voYDMAZZ7hi+d NU+4i3nOsmhH6mYQwlywV3XnaEKAdvO4tsoC/gFy4BQDkJFtv6sBr1shZvaUlLEaN+5hs 2HZ8Mu0yo23ai25oRtp/fCZAzGGHzKfEaKaaZgeY7z1+vMEUHBwKEF7kIO+AisT/YDA== 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=HZSgJN4O; 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 E0E43606A326 for ; Sat, 7 Nov 2026 10:09:22 +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=HZSgJN4O Received: by smtp.kernel.org (Postfix) with ESMTPSA id 584D91F0089F; Sat, 7 Nov 2026 10:09:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794046162; bh=23NQe1ca32mdDZl7ebn5BJi/YlZvQaMl6r3XrRBcPMk=; h=From:To:Cc:Subject:Date; b=HZSgJN4OLT/k2+fkf5+GKs5QCPaTVFCebGb6o3QlbjmjYti17VD4V7joLY++TTOEW +qUnrWYd+iAkFDhExeiNHQPJinj5PHn3mxGYqUA1GbCdqWmz0YVNaJGq1Kpu2dleqe kMdJwhKvEgnbVlvA4y+ixbIo4opQQCu5cdjhVs0ITI6mAMuJYmBUuaduvrSRpvZA/u 0F0ds4YxN07hB2Csw3J8rxV0El9XFJv1rGa41FdSG/GDvt2l3Ox7tvntS0RbmJ0A20 BvT9Ies4Jgu4o41NXP0ULxHLgJSBPC061/RdQJPhTvj0vXMJWaLQvx2up33ZwrbHRs dMMZ3R724QWpw== 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 6.18-stable tree Date: Sat, 7 Nov 2026 05:09:21 -0500 Message-ID: <20261107050921-failed-6.18-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 6.18-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-6.18.y git checkout FETCH_HEAD git cherry-pick -x d0115096429ca090a592770c7645f9553a839954 # git commit -s git send-email --to '' --in-reply-to '20261107050921-failed-6.18-d0115096429c@kernel.org' --subject-prefix 'PATCH 6.18.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