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From: Jens Axboe <axboe@kernel.dk>
To: linux-kernel@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>
Subject: [PATCH 253/437] watchdog: sbc_epx_c3: convert to read/write iterators
Date: Thu, 11 Apr 2024 09:16:33 -0600
Message-ID: <20240411153126.16201-254-axboe@kernel.dk>
In-Reply-To: <20240411153126.16201-1-axboe@kernel.dk>
References: <20240411153126.16201-1-axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/watchdog/sbc_epx_c3.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/watchdog/sbc_epx_c3.c b/drivers/watchdog/sbc_epx_c3.c
index 5e3a9ddb952e..6bbb9db5e57e 100644
--- a/drivers/watchdog/sbc_epx_c3.c
+++ b/drivers/watchdog/sbc_epx_c3.c
@@ -89,9 +89,9 @@ static int epx_c3_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static ssize_t epx_c3_write(struct file *file, const char __user *data,
-			size_t len, loff_t *ppos)
+static ssize_t epx_c3_write(struct kiocb *iocb, struct iov_iter *from)
 {
+	size_t len = iov_iter_count(from);
 	/* Refresh the timer. */
 	if (len)
 		epx_c3_pet();
@@ -154,7 +154,7 @@ static int epx_c3_notify_sys(struct notifier_block *this, unsigned long code,
 static const struct file_operations epx_c3_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
-	.write		= epx_c3_write,
+	.write_iter	= epx_c3_write,
 	.unlocked_ioctl	= epx_c3_ioctl,
 	.compat_ioctl	= compat_ptr_ioctl,
 	.open		= epx_c3_open,
-- 
2.43.0