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Thu, 11 Apr 2024 08:36:09 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.36.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:36:08 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 159/437] usb: dwc2: convert to read/write iterators Date: Thu, 11 Apr 2024 09:14:59 -0600 Message-ID: <20240411153126.16201-160-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/usb/dwc2/debugfs.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/usb/dwc2/debugfs.c b/drivers/usb/dwc2/debugfs.c index 1d72ece9cfe4..b106744e13b5 100644 --- a/drivers/usb/dwc2/debugfs.c +++ b/drivers/usb/dwc2/debugfs.c @@ -24,16 +24,16 @@ * @count: The ubuf size. * @ppos: Unused parameter. */ -static ssize_t testmode_write(struct file *file, const char __user *ubuf, = size_t - count, loff_t *ppos) +static ssize_t testmode_write(struct kiocb *iocb, struct iov_iter *from) { - struct seq_file *s =3D file->private_data; + struct seq_file *s =3D iocb->ki_filp->private_data; + size_t count =3D iov_iter_count(from); struct dwc2_hsotg *hsotg =3D s->private; unsigned long flags; u32 testmode =3D 0; char buf[32]; =20 - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) + if (!copy_from_iter_full(&buf, min_t(size_t, sizeof(buf) - 1, count), fro= m)) return -EFAULT; =20 if (!strncmp(buf, "test_j", 6)) @@ -108,8 +108,8 @@ static int testmode_open(struct inode *inode, struct fi= le *file) static const struct file_operations testmode_fops =3D { .owner =3D THIS_MODULE, .open =3D testmode_open, - .write =3D testmode_write, - .read =3D seq_read, + .write_iter =3D testmode_write, + .read_iter =3D seq_read_iter, .llseek =3D seq_lseek, .release =3D single_release, }; --=20 2.43.0