From nobody Sun Feb 8 23:07:12 2026 Received: from mail-io1-f47.google.com (mail-io1-f47.google.com [209.85.166.47]) (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 5EC0D1CAE63 for ; Thu, 11 Apr 2024 15:38:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712849926; cv=none; b=Wcf5CisIjKKQNGnRIU79CV3CvyUhI2AeTrxA4dNJmtnRDVJZYP5RCP+H/1sFMc42cuDN4kTsboLxgC/fVqJmvjr9pTav+nrZ/rb4GBPObdzLJYAxfbx6j7kqhwrRV9tUBLrlSoxMibK+3Lu3qeMOMnwkXE3etyOqC5kL3fbzLwk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712849926; c=relaxed/simple; bh=6B2WoKPOI5jH9L3xtmppLbFB0kE2ZS0Md7S/WyFPe08=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=L1bVDJCiKhXPTpoREkNQjbF3E5Jbwods+kyFPtjkIMDp0kUCmHGtnuyRzmye4bL4LkfrWA6DFM7nMd7JsXRyltXV59JhSE9J3+goM0D6MHJ+8oi39Vmn4PpUrMmbXiXbS/eZ+HCEinYflF8SsY4OWzfFJxTxO+4nOD2ikYpmDyY= 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=oQ89gQS+; arc=none smtp.client-ip=209.85.166.47 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="oQ89gQS+" Received: by mail-io1-f47.google.com with SMTP id ca18e2360f4ac-7c8e4c0412dso69622639f.1 for ; Thu, 11 Apr 2024 08:38:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1712849924; x=1713454724; 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=Oa7N/DWhQ/KXmWbuqOdMWw3Ybx3W+kEd/hmFicp6e0Q=; b=oQ89gQS+cOjKMsZI0ObHaBKWnys7VhnHlinN7o7nIkluGaLoz+rrh1LiwiQ1npQ3dR 0SxFr3tLMm84S8utVjVM6NRx8aamOfs60SAajbPeHKATYwZ2qPGsudqkdHNvVZRR0WfQ g5nzvAU1cPEgPTR754sDn9eNEtRdaxAssikeqMqahNuVbyM3nR2RRLktcA4FcZgDsEJc LcSxDok6WaNpONUzg2kfJ+eGGpZh1pE9Hz9/JHlD+1QIWOMgLpOQqtmoZrTDj7+1ePl8 dz9UvSWXHRMEKLrVsOUGD/u0wnKnjBOzfT4MNyw1KdEDjxgkcBmAMFTtl5Y+mh1THNTb t1vA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712849924; x=1713454724; 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=Oa7N/DWhQ/KXmWbuqOdMWw3Ybx3W+kEd/hmFicp6e0Q=; b=pDcPALe5vMR06JeMZ9Yj9D4+F4RH93s+udA0SwMV9JFI0KijushMBI0d4qbtE1dA7f x4mKTXFeMZ/1nnNRg+yR6B+JY+Qyv4suPXsuHMJImTMeHZbQWo/meaQo83FV2mg3rqAN rI6vBY7Tykt5AGPkD46ZiAD5HTUBa3FH8DsPwFMvn4OA3ut2gDQpGbmAh2Q/mTRFlnev udHNsbMjxW3VYiUJRAFH0gRvmCogIMZxv63Vre3SsdmrMJd/AWsri8Frw+2YoE3JlJhP K6ceGWq5axyZW0qXsLiKey9eJONuL+ikqbhm5ragkUmCgFVGD29+JWZlX/pMXllPAEgi b5lw== X-Gm-Message-State: AOJu0Ywj05U/U16QKQMWr6uFCdPsgqgHY43FZ2LNbKhqthNV+zmbZ4sK xULYE2VmryCJxmoy0bf6+lgg+T2oqxriM/RTET7iw0W3oMR9FnbnSsWHcaJvj5g1XHc3mAeLeRd 1 X-Google-Smtp-Source: AGHT+IFnwgiMRjG8PSme/0DJx1aTrwzMspdRbmD46KqjAxncydpAqgsEfy+CGbGkM0TUoUL5R++DmQ== X-Received: by 2002:a6b:7b05:0:b0:7d6:60dc:bc8e with SMTP id l5-20020a6b7b05000000b007d660dcbc8emr199627iop.1.1712849924293; Thu, 11 Apr 2024 08:38:44 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.38.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:38:42 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 255/437] watchdog: sc1200wdt: convert to read/write iterators Date: Thu, 11 Apr 2024 09:16:35 -0600 Message-ID: <20240411153126.16201-256-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/sc1200wdt.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/watchdog/sc1200wdt.c b/drivers/watchdog/sc1200wdt.c index f22ebe89fe13..d8d8bee1d6d4 100644 --- a/drivers/watchdog/sc1200wdt.c +++ b/drivers/watchdog/sc1200wdt.c @@ -261,9 +261,9 @@ static int sc1200wdt_release(struct inode *inode, struc= t file *file) } =20 =20 -static ssize_t sc1200wdt_write(struct file *file, const char __user *data, - size_t len, loff_t *ppos) +static ssize_t sc1200wdt_write(struct kiocb *iocb, struct iov_iter *from) { + size_t len =3D iov_iter_count(from); if (len) { if (!nowayout) { size_t i; @@ -273,7 +273,7 @@ static ssize_t sc1200wdt_write(struct file *file, const= char __user *data, for (i =3D 0; i !=3D len; i++) { char c; =20 - if (get_user(c, data + i)) + if (get_iter(c, from)) return -EFAULT; if (c =3D=3D 'V') expect_close =3D 42; @@ -287,7 +287,6 @@ static ssize_t sc1200wdt_write(struct file *file, const= char __user *data, return 0; } =20 - static int sc1200wdt_notify_sys(struct notifier_block *this, unsigned long code, void *unused) { @@ -305,7 +304,7 @@ static struct notifier_block sc1200wdt_notifier =3D { static const struct file_operations sc1200wdt_fops =3D { .owner =3D THIS_MODULE, .llseek =3D no_llseek, - .write =3D sc1200wdt_write, + .write_iter =3D sc1200wdt_write, .unlocked_ioctl =3D sc1200wdt_ioctl, .compat_ioctl =3D compat_ptr_ioctl, .open =3D sc1200wdt_open, --=20 2.43.0