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Thu, 11 Apr 2024 08:36:04 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.36.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:36:02 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 156/437] usb: chipidea: convert to read/write iterators Date: Thu, 11 Apr 2024 09:14:56 -0600 Message-ID: <20240411153126.16201-157-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/chipidea/debug.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index e72c43615d77..fa080c6dabf3 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -70,10 +71,10 @@ static int ci_port_test_show(struct seq_file *s, void *= data) /* * ci_port_test_write: writes port test mode */ -static ssize_t ci_port_test_write(struct file *file, const char __user *ub= uf, - size_t count, loff_t *ppos) +static ssize_t ci_port_test_write(struct kiocb *iocb, struct iov_iter *fro= m) { - 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 ci_hdrc *ci =3D s->private; unsigned long flags; unsigned mode; @@ -81,7 +82,7 @@ static ssize_t ci_port_test_write(struct file *file, cons= t char __user *ubuf, int ret; =20 count =3D min_t(size_t, sizeof(buf) - 1, count); - if (copy_from_user(buf, ubuf, count)) + if (!copy_from_iter_full(buf, count, from)) return -EFAULT; =20 /* sscanf requires a zero terminated string */ @@ -109,8 +110,8 @@ static int ci_port_test_open(struct inode *inode, struc= t file *file) =20 static const struct file_operations ci_port_test_fops =3D { .open =3D ci_port_test_open, - .write =3D ci_port_test_write, - .read =3D seq_read, + .write_iter =3D ci_port_test_write, + .read_iter =3D seq_read_iter, .llseek =3D seq_lseek, .release =3D single_release, }; --=20 2.43.0