[PATCH 281/437] watchdog: wdt285: convert to read/write iterators

Jens Axboe
2024-04-11T15:39:27Z

drivers/watchdog/wdt285.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/watchdog/wdt285.c b/drivers/watchdog/wdt285.c
index 5b7be7a62d54..eee5aada2ddd 100644
--- a/drivers/watchdog/wdt285.c
+++ b/drivers/watchdog/wdt285.c
@@ -114,9 +114,10 @@ static int watchdog_release(struct inode *inode, struct file *file)
return 0;
}

-static ssize_t watchdog_write(struct file *file, const char __user *data,
- size_t len, loff_t *ppos)
+static ssize_t watchdog_write(struct kiocb *iocb, struct iov_iter *from)
{
+ size_t len = iov_iter_count(from);
+
/*
* Refresh the timer.
*/
@@ -179,7 +180,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
static const struct file_operations watchdog_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .write = watchdog_write,
+ .write_iter = watchdog_write,
.unlocked_ioctl = watchdog_ioctl,
.compat_ioctl = compat_ptr_ioctl,
.open = watchdog_open,
--
2.43.0