From nobody Fri Dec 19 17:00:20 2025 Received: from mail-io1-f44.google.com (mail-io1-f44.google.com [209.85.166.44]) (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 DFF731C42E6 for ; Thu, 11 Apr 2024 15:38:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.44 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712849895; cv=none; b=NqD+NIjfs59WAfsrHPRK4sLDXYTy4BafxYBTpYdzb0U7z3PexHbW5r9ypg3b4bWdmNAoFOliua1a3y7o18Mo0epeWbmoV2O+sXcsc/bod408XRKlZu4yAGpwpNoECOmQIX+chBwkc8qnO0hTH0MflQAom57t67qK3KbgOh8J1j8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712849895; c=relaxed/simple; bh=6/+WHJeAq5tum1kEkpNqKpjWymK7+gbS40aMopxhBDw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rL7sLXkpI9IjobPe62grsgEUv7bTqEuegA3peJ9fQN+YYrM7E/Nsd3OOQ2cyydWHD1Pamgpd+CnAwZw/Jmar+voiQr+xSu667fZ1mDiwpn6dYvXFgamA620MTc521qFWYygUb778zMQ5h6KXGbz9BovMXdZnLgGcS4Y+rflUJIE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b=Mf8uJjuV; arc=none smtp.client-ip=209.85.166.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="Mf8uJjuV" Received: by mail-io1-f44.google.com with SMTP id ca18e2360f4ac-7d6812b37a6so8987939f.0 for ; Thu, 11 Apr 2024 08:38:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1712849892; x=1713454692; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=d5BCglZo6iVaCCleAsTPCfSecI5kckk3+SFyaP5fatk=; b=Mf8uJjuVgYHcFQiMUsm+kISzku8omtxqsLjb08Xt2n95TfOdtZ7OZo3FwvgqATwBjp /YszQIqHI4USNqUa/uSajs9dseOxZ1LfMBd82nolsNk/nfs2ktKV0hVGtN6Qlf/N0cxr SspMbcfzgWkzrPQk9SzHgc5bZcuC0ByvQZ9+6OoWO3LzZwvTcTP/aujRUqgFI2SPShcQ HSoU+9aamNCr0Y0mxMQfNjvwaTDACNm5Sw7rHSl7WjgEdQOHQg6rPGR/opjv6f1juRKv 51YSEaik6RyTxt5Wuc8wnMR7YExZhPuKyvJ7rCcOGNGbosrl8YbVNI/yjAq3H/Trj2Up 43Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712849892; x=1713454692; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=d5BCglZo6iVaCCleAsTPCfSecI5kckk3+SFyaP5fatk=; b=Z08f5tbeYgumNkHT82t5HgaPmN73zybBMWw0ZZ77lDsXCyL3QorWF3mKOisIX840Qg iDFIzX0p1N70Fr1cTflSsrORWHszgkqobb8J2HLY7ywptT1SPA/zSc90RLxox1T9kmF9 E4iAWCTrigiW5Cla6fA0M+ky1FJdEAiAYwhUsXN1raNQvYCELigHqRykLMkreW1Zd1WA CGnmPMCaXperMzG1q0AsoB3YT3tloYyUEkLIsh+q+185n6jAcf21zO1zw3lxbq0RMbwX E6V6X4OY6OYN04klQnXz9gEmWuzUWcAOYAcfYenqInKRnfNQfox/ibVOfpTAAZIT+PLS tx7Q== X-Gm-Message-State: AOJu0Yy5hWU1J9ln9ooKsG/YQILramVXHEdbCDgD8CrKFJI7oqUevLGo c69ZEEar0NU4UQk3gIjWDZsJm0vZjNsmsKyia0DVv6NmcUosGfcR1iMHAuldvvMQGZ/hHwBPXNO l X-Google-Smtp-Source: AGHT+IEGTLll7CUAudSE9xkn6vyPAMxTcyvciT0m91/FVdrgWezeRNf2xd9R2gT+eT1SED/TgdbqCQ== X-Received: by 2002:a6b:5b10:0:b0:7d0:bd2b:43ba with SMTP id v16-20020a6b5b10000000b007d0bd2b43bamr227035ioh.0.1712849892389; Thu, 11 Apr 2024 08:38:12 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.38.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:38:09 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 234/437] watchdog: advantechwdt: convert to read/write iterators Date: Thu, 11 Apr 2024 09:16:14 -0600 Message-ID: <20240411153126.16201-235-axboe@kernel.dk> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240411153126.16201-1-axboe@kernel.dk> References: <20240411153126.16201-1-axboe@kernel.dk> 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" Signed-off-by: Jens Axboe --- drivers/watchdog/advantechwdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/watchdog/advantechwdt.c b/drivers/watchdog/advantechwd= t.c index 7a0acbc3e4dd..95c1b90abedc 100644 --- a/drivers/watchdog/advantechwdt.c +++ b/drivers/watchdog/advantechwdt.c @@ -106,9 +106,9 @@ static int advwdt_set_heartbeat(int t) * /dev/watchdog handling */ =20 -static ssize_t advwdt_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) +static ssize_t advwdt_write(struct kiocb *iocb, struct iov_iter *from) { + size_t count =3D iov_iter_count(from); if (count) { if (!nowayout) { size_t i; @@ -117,7 +117,7 @@ static ssize_t advwdt_write(struct file *file, const ch= ar __user *buf, =20 for (i =3D 0; i !=3D count; i++) { char c; - if (get_user(c, buf + i)) + if (get_iter(c, from)) return -EFAULT; if (c =3D=3D 'V') adv_expect_close =3D 42; @@ -218,7 +218,7 @@ static int advwdt_close(struct inode *inode, struct fil= e *file) static const struct file_operations advwdt_fops =3D { .owner =3D THIS_MODULE, .llseek =3D no_llseek, - .write =3D advwdt_write, + .write_iter =3D advwdt_write, .unlocked_ioctl =3D advwdt_ioctl, .compat_ioctl =3D compat_ptr_ioctl, .open =3D advwdt_open, --=20 2.43.0