| From | Jens Axboe <> | Subject | [PATCH 257/437] watchdog: sch311x_wdt: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:16:37 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/watchdog/sch311x_wdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/sch311x_wdt.c b/drivers/watchdog/sch311x_wdt.c index 409d49880170..2d93a0353e79 100644 --- a/drivers/watchdog/sch311x_wdt.c +++ b/drivers/watchdog/sch311x_wdt.c @@ -218,9 +218,9 @@ static void sch311x_wdt_get_status(int *status) * /dev/watchdog handling */ -static ssize_t sch311x_wdt_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) +static ssize_t sch311x_wdt_write(struct kiocb *iocb, struct iov_iter *from) { + size_t count = iov_iter_count(from); if (count) { if (!nowayout) { size_t i; @@ -229,7 +229,7 @@ static ssize_t sch311x_wdt_write(struct file *file, const char __user *buf, for (i = 0; i != count; i++) { char c; - if (get_user(c, buf + i)) + if (get_iter(c, from)) return -EFAULT; if (c == 'V') sch311x_wdt_expect_close = 42; @@ -335,7 +335,7 @@ static int sch311x_wdt_close(struct inode *inode, struct file *file) static const struct file_operations sch311x_wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .write = sch311x_wdt_write, + .write_iter = sch311x_wdt_write, .unlocked_ioctl = sch311x_wdt_ioctl, .compat_ioctl = compat_ptr_ioctl, .open = sch311x_wdt_open, -- 2.43.0
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