[PATCH 165/437] usb: host: uhci: convert to read/write iterators

Jens Axboe
2024-04-11T15:36:20Z

drivers/usb/host/uhci-debug.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c
index c4e67c4b51f6..e8329c44db59 100644
--- a/drivers/usb/host/uhci-debug.c
+++ b/drivers/usb/host/uhci-debug.c
@@ -589,11 +589,10 @@ static loff_t uhci_debug_lseek(struct file *file, loff_t off, int whence)
return no_seek_end_llseek_size(file, off, whence, up->size);
}

-static ssize_t uhci_debug_read(struct file *file, char __user *buf,
- size_t nbytes, loff_t *ppos)
+static ssize_t uhci_debug_read(struct kiocb *iocb, struct iov_iter *to)
{
- struct uhci_debug *up = file->private_data;
- return simple_read_from_buffer(buf, nbytes, ppos, up->data, up->size);
+ struct uhci_debug *up = iocb->ki_filp->private_data;
+ return simple_copy_to_iter(up->data, &iocb->ki_pos, up->size, to);
}

static int uhci_debug_release(struct inode *inode, struct file *file)
@@ -610,7 +609,7 @@ static const struct file_operations uhci_debug_operations = {
.owner = THIS_MODULE,
.open = uhci_debug_open,
.llseek = uhci_debug_lseek,
- .read = uhci_debug_read,
+ .read_iter = uhci_debug_read,
.release = uhci_debug_release,
};
#define UHCI_DEBUG_OPS
--
2.43.0