linux-kernel - [PATCH 421/437] media: dbbridge: convert to read/write iterators

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Date: Thu, 11 Apr 2024 09:19:21 -0600
From: Jens Axboe <axboe@...nel.dk>
To: linux-kernel@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 421/437] media: dbbridge: convert to read/write iterators

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 drivers/media/pci/ddbridge/ddbridge-core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c
index 40e6c873c36d..118f22cced88 100644
--- a/drivers/media/pci/ddbridge/ddbridge-core.c
+++ b/drivers/media/pci/ddbridge/ddbridge-core.c
@@ -731,6 +731,7 @@ static ssize_t ts_write(struct file *file, const __user char *buf,
 	}
 	return (left == count) ? -EAGAIN : (count - left);
 }
+FOPS_WRITE_ITER_HELPER(ts_write);
 
 static ssize_t ts_read(struct file *file, __user char *buf,
 		       size_t count, loff_t *ppos)
@@ -761,6 +762,7 @@ static ssize_t ts_read(struct file *file, __user char *buf,
 	}
 	return (count && (left == count)) ? -EAGAIN : (count - left);
 }
+FOPS_READ_ITER_HELPER(ts_read);
 
 static __poll_t ts_poll(struct file *file, poll_table *wait)
 {
@@ -838,8 +840,8 @@ static int ts_open(struct inode *inode, struct file *file)
 
 static const struct file_operations ci_fops = {
 	.owner   = THIS_MODULE,
-	.read    = ts_read,
-	.write   = ts_write,
+	.read_iter = ts_read_iter,
+	.write_iter = ts_write_iter,
 	.open    = ts_open,
 	.release = ts_release,
 	.poll    = ts_poll,
-- 
2.43.0