| From | Jens Axboe <> | Subject | [PATCH 235/437] watchdog: alim1535_wdt: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:16:15 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/watchdog/alim1535_wdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/alim1535_wdt.c b/drivers/watchdog/alim1535_wdt.c index bfb9a91ca1df..9a12706d9cdf 100644 --- a/drivers/watchdog/alim1535_wdt.c +++ b/drivers/watchdog/alim1535_wdt.c @@ -134,9 +134,9 @@ static int ali_settimer(int t) * the next close to turn off the watchdog. */ -static ssize_t ali_write(struct file *file, const char __user *data, - size_t len, loff_t *ppos) +static ssize_t ali_write(struct kiocb *iocb, struct iov_iter *from) { + size_t len = iov_iter_count(from); /* See if we got the magic character 'V' and reload the timer */ if (len) { if (!nowayout) { @@ -150,7 +150,7 @@ static ssize_t ali_write(struct file *file, const char __user *data, the magic character */ for (i = 0; i != len; i++) { char c; - if (get_user(c, data + i)) + if (get_iter(c, from)) return -EFAULT; if (c == 'V') ali_expect_release = 42; @@ -360,7 +360,7 @@ static int __init ali_find_watchdog(void) static const struct file_operations ali_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .write = ali_write, + .write_iter = ali_write, .unlocked_ioctl = ali_ioctl, .compat_ioctl = compat_ptr_ioctl, .open = ali_open, -- 2.43.0
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