[PATCH 424/437] media: usb: uvc: convert to read/write iterators

Jens Axboe
2024-04-11T15:43:31Z

drivers/media/usb/uvc/uvc_debugfs.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_debugfs.c b/drivers/media/usb/uvc/uvc_debugfs.c
index 1a1258d4ffca..2c4935a0257e 100644
--- a/drivers/media/usb/uvc/uvc_debugfs.c
+++ b/drivers/media/usb/uvc/uvc_debugfs.c
@@ -39,13 +39,11 @@ static int uvc_debugfs_stats_open(struct inode *inode, struct file *file)
return 0;
}

-static ssize_t uvc_debugfs_stats_read(struct file *file, char __user *user_buf,
- size_t nbytes, loff_t *ppos)
+static ssize_t uvc_debugfs_stats_read(struct kiocb *iocb, struct iov_iter *to)
{
- struct uvc_debugfs_buffer *buf = file->private_data;
+ struct uvc_debugfs_buffer *buf = iocb->ki_filp->private_data;

- return simple_read_from_buffer(user_buf, nbytes, ppos, buf->data,
- buf->count);
+ return simple_copy_to_iter(buf->data, &iocb->ki_pos, buf->count, to);
}

static int uvc_debugfs_stats_release(struct inode *inode, struct file *file)
@@ -60,7 +58,7 @@ static const struct file_operations uvc_debugfs_stats_fops = {
.owner = THIS_MODULE,
.open = uvc_debugfs_stats_open,
.llseek = no_llseek,
- .read = uvc_debugfs_stats_read,
+ .read_iter = uvc_debugfs_stats_read,
.release = uvc_debugfs_stats_release,
};

--
2.43.0