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=1794046809; b=kdNUuWPKtgEhG9Fhu96FupH5vIhcZR6PMvRCqLPbLuwFYLoxwVAzyE9WyqvU1ZNiXr4m nojGd0P1uwGGCqAKI/hMOUnYPyOb/Yn3dSeehhYtry7vR0/7TCRFb8MCqe+L5ZjZt3baJ PqnoElDbSyTYYeIOwNeBvMTQ40OWl6/wee2mTtJiG9T/Pi+ti1b86jtUoRcpoXIWD6Hu0 VSqhwZjYtQGyFumPT7Y+I+sz6GESe4UFrIgoM6Fc6jq99YtlKEYjIAzhE00Q9JBpp2kvl ZjEYEM2sACAbahCZKML4U7CXgHzrF1ZBot2qW0fnjEzJfEwW2YaAAVLCPlPTMiY7THg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794046809; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=9z03sd+7RIjTNb5+W9UVLbzxCNucBNO5hiL4jD279Sk=; b=O1FW+HEvgzuzp7S1ZTdwrd7OQSf0g6g6XfUHeVj4ZLoCezsv3lXvzzzZ/JdqmtNQEPUu 7NFMr11imyKEXqLSnt/EsugFSBaAfslifallxGwomMvzPqM/sspu90149Txb48AVY7jpQ u3kfu+z8NkX9uPMfrK8YZaJQAImZklo+XEdTdNnEnReGBGqZG7BlCBb9zvgW7EUEBOw4w TyBhk019YI3MObDx6Y9yLFbiYCDlXne1F0X3uCSgvkJc0AQTjF6GYBSIi8J8TDQwZK6i8 I3YrM+GYVxqJS294WUkg24gJ9x2e6TYSm4yM3Ig1uZE2tmAyvV9iW1gieFKKc6l2r/w== 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=CzGx0UGr; 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 1F13E606D81E for ; Sat, 7 Nov 2026 10:20:09 +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=CzGx0UGr Received: by smtp.kernel.org (Postfix) with ESMTPSA id 923541F0089F; Sat, 7 Nov 2026 10:20:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794046809; bh=9z03sd+7RIjTNb5+W9UVLbzxCNucBNO5hiL4jD279Sk=; h=From:To:Cc:Subject:Date; b=CzGx0UGrWTPFpl9WbuOY7JX9NOxviwqkoSDVZ7GST3yqjE4Nf+rpiyxp1VYTrYROx FNVxofUM0xlXFxT2/m3dDZVtKA7NgrgW2Vy23EjsIzhSM1ZGLarMfYnHf851SqqAlm Yn0J3RGFhjunhzvdJ+BPvXNBgKJPXPGH0OJMcWSeaXPrUX00+oNhc+BN9I2HmylD0c HuFYULrwSRCYPd0hHfli3tWMkK8OCjlKlqY+Fi1nM0w3uAvGDC2XG6jjaVtnuNOzIq Q9GGD89cbSwz3Y8kmTXEg6IkjqgtBtt5isn3JnATWPJdJ8IGMI1yZKyPXGW4H0cV12 FWZlCr+SWVT6Q== 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 6.12-stable tree Date: Sat, 7 Nov 2026 05:20:07 -0500 Message-ID: <20261107052007-failed-6.12-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 6.12-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-6.12.y git checkout FETCH_HEAD git cherry-pick -x d0115096429ca090a592770c7645f9553a839954 # git commit -s git send-email --to '' --in-reply-to '20261107052007-failed-6.12-d0115096429c@kernel.org' --subject-prefix 'PATCH 6.12.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