| From | Jens Axboe <> | Subject | [PATCH 264/437] watchdog: ath79_wdt: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:16:44 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/watchdog/ath79_wdt.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/ath79_wdt.c b/drivers/watchdog/ath79_wdt.c index e5cc30622b12..33320f83c190 100644 --- a/drivers/watchdog/ath79_wdt.c +++ b/drivers/watchdog/ath79_wdt.c @@ -146,9 +146,10 @@ static int ath79_wdt_release(struct inode *inode, struct file *file) return 0; } -static ssize_t ath79_wdt_write(struct file *file, const char *data, - size_t len, loff_t *ppos) +static ssize_t ath79_wdt_write(struct kiocb *iocb, struct iov_iter *from) { + size_t len = iov_iter_count(from); + if (len) { if (!nowayout) { size_t i; @@ -158,7 +159,7 @@ static ssize_t ath79_wdt_write(struct file *file, const char *data, for (i = 0; i != len; i++) { char c; - if (get_user(c, data + i)) + if (get_iter(c, from)) return -EFAULT; if (c == 'V') @@ -232,7 +233,7 @@ static long ath79_wdt_ioctl(struct file *file, unsigned int cmd, static const struct file_operations ath79_wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .write = ath79_wdt_write, + .write_iter = ath79_wdt_write, .unlocked_ioctl = ath79_wdt_ioctl, .compat_ioctl = compat_ptr_ioctl, .open = ath79_wdt_open, -- 2.43.0
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