From nobody Fri Jun 12 19:58:11 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 37CD238643B; Wed, 13 May 2026 02:15:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778638513; cv=none; b=rSNICaDcn/MghrgNP5nRuxwIkH83ygcWlcORghf2TC9vTtSFbK+fQnqVl8zGLqUr8BWwJfiu9rJySXdIMX6UfZrFWnTrQi+VFbEW9cLSKWXS4wpiE10ci0ZZslJ6bWZhBWMKVg645P2B+J8GEHgoECFyyhZPQIARLZO/+jrCVDc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778638513; c=relaxed/simple; bh=c0r4chu3Ghhtph19/ix4prLfBlBcFLmunJ7J8klmG+s=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=PDQFJeCMbL/n666zSCjQNLAD7eFZwwWRvqZI/D+lZhQzFxboRCKQ+JkT1iRW7GlYwTnai3ipI+apAhAxQC8D05lgSRP0rjo5Vbw5z7SdGx+10yxMxyaI7Is08XjT9gSfrG8gA53bP4mJBalaBiaGintr6//jrYmTZWaLleXIxoU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 8acc9a744e7111f1aa26b74ffac11d73-20260513 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:f90f73a6-8043-4526-90d4-b5098d380dba,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:e7bac3a,CLOUDID:654c1fa903bfe6f384811b843b57053b,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|850|898,TC:nil,Content:0|15|16|50,ED M:-3,IP:nil,URL:99|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,O SA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULS X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 8acc9a744e7111f1aa26b74ffac11d73-20260513 X-User: zenghongling@kylinos.cn Received: from localhost.localdomain [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 234632021; Wed, 13 May 2026 10:14:59 +0800 From: Hongling Zeng To: nbd@nbd.name, lorenzo@kernel.org, ryder.lee@mediatek.com, shayne.chen@mediatek.com, sean.wang@mediatek.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, xiong.huang@mediatek.com, madhurkumar004@gmail.com Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, zhongling0719@126.com, Hongling Zeng , kernel test robot Subject: [PATCH] wifi: mt76: mt7921: fix uninitialized variable warning Date: Wed, 13 May 2026 10:14:55 +0800 Message-Id: <20260513021455.80175-1-zenghongling@kylinos.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Move the initialization of 'dev' before the error path that uses it. This fixes the compiler warning: drivers/net/wireless/mediatek/mt76/mt7921/pci.c:347:6: warning: variable 'dev' is used uninitialized whenever 'if' condition is true Fixes: 0d56655a74ef ("wifi: mt76: mt7921: fix resource leak in probe error = path") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202605130432.S8Ozipm2-lkp@int= el.com/ Signed-off-by: Hongling Zeng --- drivers/net/wireless/mediatek/mt76/mt7921/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/= wireless/mediatek/mt76/mt7921/pci.c index 4bb436465a3d..49a37185f056 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c @@ -343,13 +343,14 @@ static int mt7921_pci_probe(struct pci_dev *pdev, =20 pci_set_drvdata(pdev, mdev); =20 + dev =3D container_of(mdev, struct mt792x_dev, mt76); + regs =3D pcim_iomap_region(pdev, 0, pci_name(pdev)); if (IS_ERR(regs)) { ret =3D PTR_ERR(regs); goto err_free_dev; } =20 - dev =3D container_of(mdev, struct mt792x_dev, mt76); dev->fw_features =3D features; dev->hif_ops =3D &mt7921_pcie_ops; dev->irq_map =3D &irq_map; --=20 2.25.1