From nobody Fri Dec 19 06:07:54 2025 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 9967E1CC4AA for ; Thu, 11 Apr 2024 15:38:51 +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=1712849932; cv=none; b=o1EqAourQ02uekb3r7eEw4mNjeGJkotsBKM+TzA3nGrNo3FeLykqS92QW9A/fcwuJuQKcfNNJqaBkYP6Uzpjz7R/hpsP+Wm9wEmT6KnD2PNFv9n2e+4fuIglhT0D46U58MrSjPpAGKIZCnY58jlCVTRHR9zu6zA0xfBKqlPtJrw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712849932; c=relaxed/simple; bh=QW5JsnuNpQivub7twXafOPYH5EAcQBabP9oDDI8Pp7U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oQtXxQakF7Z/W8i4pImfarQWyvZvXbqRvK7CoVuc8OJ/NLzD/graswPi17wumOPgkYob6K0y+boChSqdA4tlCv3N/BUoMJj/A6uxbo3FEE7plTyLTZbziEc4mHE6PTT0NLk8LrvccDG7yMPHr3qAxavUqi+ZEL5IsjpmYyIwHKs= 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=YKCzNatO; 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="YKCzNatO" Received: by mail-io1-f47.google.com with SMTP id ca18e2360f4ac-7cc0e831e11so170565439f.1 for ; Thu, 11 Apr 2024 08:38:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1712849930; x=1713454730; 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=V9OGk8BSTo3E8SS1FHxgTQ8p7oobNBmq1HPuHXWy2Gw=; b=YKCzNatOl6qvWHot15l97qf12qUwVHAhY9CuWtM4cFpwb15jqgaU129rTqCB7J4V+s i4zSlqooe4xi9TVCjdi6L+IAisOOlLS/fFzqRXa0qn3HMDO42xtpeP/pDzVNR1Mac681 yAOtZkPxIyo3f0AhWbYgjDkAiDIdd2CDuf/LGoZimyiLiDaq8ED5uh+iojlKHip17rgK pHgYZ0Lo0FkrQ2gICxL/fQODB73liljcJENxWtAqIQRiwum/+zouvMnUA4i4cx6Di/zj tkQqVKZ4fQaVVoUYzdiVIc4uC0dGk5eWvaHNalaEEKBkxJTIZV9HH1fBwoQvjp+ffI2C sXMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712849930; x=1713454730; 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=V9OGk8BSTo3E8SS1FHxgTQ8p7oobNBmq1HPuHXWy2Gw=; b=mzSXPGo+ijVyLPO36kG7VlVtq4bp1vjJLqbFmq7MIkILpKYfAQTLUteyEhejOjXn3p hZhxU0gRg/fX0srTRSGanxXjc3t7HSuC3SuKIywQRj/bG6Vt+TF/tw6Rvxy61m/Y+o9i K11Kak6Qv2LHsZO+AVoYHeSD2RRLATxWcSOinjJxLuKe4os4/1/UNQTGpubdzgPVyCxX AMWUPRDwDChMQNoncyEBHIGQh/0+Jkih2PCPOGyajyEZb3dPk45cJPz+kQnzzjfdauEA iEncw5SygAiWBZfOB9cJNfKfL4a3Jy4DNDZzziGJFyRWxVIqdlEAcdwjDlnMLUpOd30S z2cQ== X-Gm-Message-State: AOJu0YwsbAPiC+e0U3ifMBqeifdXFiEKarhdkWsW0YuaA4bqZrFSJVUk qKEPhfcnlrh2lpF5DJGIZ+373Avs0JJzXmYtpb3reIm0pMBBpS/W+Dj/GqoEDwDHcfWhD3nBkH9 F X-Google-Smtp-Source: AGHT+IHx00UzVHHxsBrfoJ3AP8mTejCHu2px1XLuCdgQcLCHW+rpGi8p9OJsmawQOX0PnWQjn8ZX1g== X-Received: by 2002:a6b:5b10:0:b0:7d0:bd2b:43ba with SMTP id v16-20020a6b5b10000000b007d0bd2b43bamr228568ioh.0.1712849930358; Thu, 11 Apr 2024 08:38:50 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.38.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:38:48 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 258/437] watchdog: smsc37b787_wdt: convert to read/write iterators Date: Thu, 11 Apr 2024 09:16:38 -0600 Message-ID: <20240411153126.16201-259-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/smsc37b787_wdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/watchdog/smsc37b787_wdt.c b/drivers/watchdog/smsc37b78= 7_wdt.c index 7463df479d11..e1a0c1b4ca90 100644 --- a/drivers/watchdog/smsc37b787_wdt.c +++ b/drivers/watchdog/smsc37b787_wdt.c @@ -386,9 +386,9 @@ static int wb_smsc_wdt_release(struct inode *inode, str= uct file *file) =20 /* write =3D> update the timer to keep the machine alive */ =20 -static ssize_t wb_smsc_wdt_write(struct file *file, const char __user *dat= a, - size_t len, loff_t *ppos) +static ssize_t wb_smsc_wdt_write(struct kiocb *iocb, struct iov_iter *from) { + size_t len =3D iov_iter_count(from); /* See if we got the magic character 'V' and reload the timer */ if (len) { if (!nowayout) { @@ -401,7 +401,7 @@ static ssize_t wb_smsc_wdt_write(struct file *file, con= st char __user *data, magic character */ for (i =3D 0; i !=3D len; i++) { char c; - if (get_user(c, data + i)) + if (get_iter(c, from)) return -EFAULT; if (c =3D=3D 'V') expect_close =3D 42; @@ -503,7 +503,7 @@ static int wb_smsc_wdt_notify_sys(struct notifier_block= *this, static const struct file_operations wb_smsc_wdt_fops =3D { .owner =3D THIS_MODULE, .llseek =3D no_llseek, - .write =3D wb_smsc_wdt_write, + .write_iter =3D wb_smsc_wdt_write, .unlocked_ioctl =3D wb_smsc_wdt_ioctl, .compat_ioctl =3D compat_ptr_ioctl, .open =3D wb_smsc_wdt_open, --=20 2.43.0