From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7087B39B4A2 for ; Mon, 22 Jun 2026 09:35:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782120913; cv=none; b=MZw/Ozj+YgKQ+2CMrZbrHqf6r0e8XA5bmo7rePyrSlWNgBc+1KwF6Q9aeK4hYRJbwiYULpmuI8jlYaCcUXR0E45bPxqvtM9WyR4MmlX3IMHxGirBrsFqrabvlRavsexiiY7mRj99f7+gs9z6HeByKRLlxJuSLZ8T+efc5dgUgPE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782120913; c=relaxed/simple; bh=cuEZVJH/kJudh1+55tC3k0yVRdzhHa6xCbzGW7ZT1PM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=nABLSqSvZz8axrVL37zMSC/oL2tQvUSNvtZYf0MF80hYfRNTRX45ezA9I35ulkGhIzvTCozM3wgejBmOD4G3vg/Wnutb9OKPe/Uww32VS1SVblNUtyreypOFyC2A7YmH0K6Q+r+K/96N3yT6ho9w+4p5pDjOCezvJNS+x9+rkNw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre.com header.i=@baylibre.com header.b=HG2EBMm/; arc=none smtp.client-ip=209.85.128.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre.com header.i=@baylibre.com header.b="HG2EBMm/" Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-490b4a8e28bso27743945e9.1 for ; Mon, 22 Jun 2026 02:35:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre.com; s=google; t=1782120910; x=1782725710; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=cuEZVJH/kJudh1+55tC3k0yVRdzhHa6xCbzGW7ZT1PM=; b=HG2EBMm/nPPKuyrySzOVMMVaLhx0QjJXvjvIswvxf6EpBia2Aq2n0QUHBl5cGEn8m5 R89rISNimZfEHQh1Lvi1+bExL+aY+yoTF/jGM3UGlXQJ2a4Gquio923rInRT06KpVpVN NtpS0FcoSbDf6gI34tPChf1VHQiQSkNBh+LZU1potPu6fJJNKr4CtTlj7iKi49haDait rmrrwYLLePAeDPnPBIhzM3qSkAlDZ1LXQoIelVkkSv3WB56k8g/Ahmian3zyDbPK7L8z wjNn+bNpzDsklPlZPAtyANdViGutwhMxr5I8n1/dXybfZxlGTMJ3tzlhk/e3a1XKdzbT 5XNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782120910; x=1782725710; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=cuEZVJH/kJudh1+55tC3k0yVRdzhHa6xCbzGW7ZT1PM=; b=AtuG6noKmaD95uHKUq5anAHtXVKNSKSdQElSJR+zhQhHmvWhbCot4cEe6OAW3CNsGf fccHajACZsf0XOKXSpnvUOwc4SFV75yqnAIfCT6MBEwIxiUON+WHIWWKH60rtlktRLme g/k9r/j/57HBAsvvCAYe76izc87OVgcIqTc+G6cXWMeIip34vGFs7KLLTvhai2dnzkSh QXhYA+fvGZPnci5tU0Rax2OZR8YmjOHRDsOa/Ixrd4TGntXM3L+13YYMRNQxI+MPXp1G b+LVJQqk+P7D+W6NYMPsZuWBOXkjFCLkh8tn9KGBfms6IHWpWR6f4Kh3gqR8DvE1ZgUH 12mQ== X-Forwarded-Encrypted: i=1; AFNElJ9JjqriGy2VshOWClcwsMwsj/onr7jszZt4Cr0XJTEAZQfdBApLLXRHw9T52k5geghK0vwFFoy875q9@vger.kernel.org X-Gm-Message-State: AOJu0YzlDs6xyM2Jr/H/0UiA5z/ifHlWmi5cY7P8Ttno1i33botSINmw xSLPw5c5cbOMKvEXJOgtezFGO8g8UHDgiRctOqTXG2aARnrOmW2ujZGb423x/aJvaxUJ68fFjo2 RjGBt X-Gm-Gg: AfdE7cl4k+JpLll/gy22ZRTVW/nP2VPlwpN+6re9pM6UchEmBKi8iaURjTt2FNoaVN9 yU4URyKeLC5TFJgklncxi8cHoUY+qrmcQ3DvI/T4QlalKIR7QHB6ftu9APHMyGwU/edyTz9yno+ /YVWcfilsL+cSEuAHFLePcPCDVlgUfodTMblGE8lNw5/1tBYMkhGDxEVI2COhSgx2w70eIhd5Ml WXyCE2AzuAF3+SamJGpcxO5h5hSOVGSAJDS6wEnm3dpqI3H3R2szG5eXf5p8XMImrJRXWEs50mq 9rKQBMldRP05kZUV3Xrvxj7KPbd6mXQMiCFERmaRfcxlG7KIsh/1i5qDUA4iaCM/w+U4ofKiQuk zAFm1tv+jqhg2SneragCzOfLDJ9bPma/501+CeU3tjEpO6/ALboBUr5wCyT2lM8/niuapGcp1VL KjmtcaRFgtYTUtcoqeK6uLy7S3f/R4BoZUfIwRnA3HJPAybVjugsq+NAKf0gv4opy5Rx0FgOIgL zQZFE7nXzbiOA== X-Received: by 2002:a05:600c:1c1c:b0:490:b724:507d with SMTP id 5b1f17b1804b1-49240e40a01mr253091445e9.11.1782120909786; Mon, 22 Jun 2026 02:35:09 -0700 (PDT) Received: from localhost (p200300f65f47db0402a454298f09593b.dip0.t-ipconnect.de. [2003:f6:5f47:db04:2a4:5429:8f09:593b]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-49249238bfbsm211425655e9.5.2026.06.22.02.35.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jun 2026 02:35:08 -0700 (PDT) Date: Mon, 22 Jun 2026 11:35:06 +0200 From: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= To: Ruoyu Wang Cc: Linus Walleij , Bartosz Golaszewski , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] gpiolib: initialize return value in gpiochip_set_multiple() Message-ID: References: <20260620155319.79994-1-ruoyuw560@gmail.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="dzxrvq4f56hpfrm7" Content-Disposition: inline In-Reply-To: --dzxrvq4f56hpfrm7 Content-Type: text/plain; protected-headers=v1; charset=us-ascii Content-Disposition: inline Subject: Re: [PATCH] gpiolib: initialize return value in gpiochip_set_multiple() MIME-Version: 1.0 Hello, On Sun, Jun 21, 2026 at 11:08:09PM +0800, Ruoyu Wang wrote: > This was found by a local static analysis checker. The checker flagged > the uninitialized return value candidate, and I then confirmed by manual > inspection that the fallback loop can be skipped for an empty mask. That might be worth to point out in the commit log. Best regards Uwe --dzxrvq4f56hpfrm7 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEP4GsaTp6HlmJrf7Tj4D7WH0S/k4FAmo5AcgACgkQj4D7WH0S /k5rEwgApBHbId3Te6CBNX9udi4r7wsfjs/oMIlQCAbkSq15P+dQ4xnDMXBc3rPv kPNTDaS5/ubKmVT+6iNYp3mUhlL+6gjaziyCIHnlaQQef5sCFYtnDBZQdRKw3NTF v0J94ZHdYy58ATw02pZQvNqUvXsbsFuXLBW9h1kBuNWAbJ/YnplK4VEm1lsNOISB /9KOxd6sfusMKfPUTHkUEqvq5nCPMuZg/vtAUKqzNqjb5uKtSK4WC46d+xY2e1f8 VyVPsO1kguT14MRXyd9xOdRGHq3H3+UONFs1/RxHN8NTWKTHP7hgAOUTp1Jcwnl4 24wqfaVdGszcn0v/N39BbCfoEiGn6w== =gEKI -----END PGP SIGNATURE----- --dzxrvq4f56hpfrm7--