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Thu, 11 Apr 2024 08:41:40 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.41.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:41:39 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 358/437] hwmon: fschmd: convert to read/write iterators Date: Thu, 11 Apr 2024 09:18:18 -0600 Message-ID: <20240411153126.16201-359-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/hwmon/fschmd.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index b30512a705a7..896a073811a0 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -848,11 +848,11 @@ static int watchdog_release(struct inode *inode, stru= ct file *filp) return 0; } =20 -static ssize_t watchdog_write(struct file *filp, const char __user *buf, - size_t count, loff_t *offset) +static ssize_t watchdog_write(struct kiocb *iocb, struct iov_iter *from) { int ret; - struct fschmd_data *data =3D filp->private_data; + struct fschmd_data *data =3D iocb->ki_filp->private_data; + size_t count =3D iov_iter_count(from); =20 if (count) { if (!nowayout) { @@ -863,7 +863,7 @@ static ssize_t watchdog_write(struct file *filp, const = char __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') data->watchdog_expect_close =3D 1; @@ -951,7 +951,7 @@ static const struct file_operations watchdog_fops =3D { .llseek =3D no_llseek, .open =3D watchdog_open, .release =3D watchdog_release, - .write =3D watchdog_write, + .write_iter =3D watchdog_write, .unlocked_ioctl =3D watchdog_ioctl, .compat_ioctl =3D compat_ptr_ioctl, }; --=20 2.43.0