| From | Jens Axboe <> | Subject | [PATCH 243/437] watchdog: it8712f_wdt: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:16:23 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/watchdog/it8712f_wdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c index 3ce6a58bd81e..897f312eb5c9 100644 --- a/drivers/watchdog/it8712f_wdt.c +++ b/drivers/watchdog/it8712f_wdt.c @@ -228,9 +228,9 @@ static struct notifier_block it8712f_wdt_notifier = { .notifier_call = it8712f_wdt_notify, }; -static ssize_t it8712f_wdt_write(struct file *file, const char __user *data, - size_t len, loff_t *ppos) +static ssize_t it8712f_wdt_write(struct kiocb *iocb, struct iov_iter *from) { + size_t len = iov_iter_count(from); /* check for a magic close character */ if (len) { size_t i; @@ -240,7 +240,7 @@ static ssize_t it8712f_wdt_write(struct file *file, const char __user *data, expect_close = 0; for (i = 0; i < len; ++i) { char c; - if (get_user(c, data + i)) + if (get_iter(c, from)) return -EFAULT; if (c == 'V') expect_close = 42; @@ -342,7 +342,7 @@ static int it8712f_wdt_release(struct inode *inode, struct file *file) static const struct file_operations it8712f_wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .write = it8712f_wdt_write, + .write_iter = it8712f_wdt_write, .unlocked_ioctl = it8712f_wdt_ioctl, .compat_ioctl = compat_ptr_ioctl, .open = it8712f_wdt_open, -- 2.43.0
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