| From | Jens Axboe <> | Subject | [PATCH 236/437] watchdog: alim7101_wdt: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:16:16 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/watchdog/alim7101_wdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/alim7101_wdt.c b/drivers/watchdog/alim7101_wdt.c index 4ff7f5afb7aa..5a85f53542d9 100644 --- a/drivers/watchdog/alim7101_wdt.c +++ b/drivers/watchdog/alim7101_wdt.c @@ -181,9 +181,9 @@ static void wdt_keepalive(void) * /dev/watchdog handling */ -static ssize_t fop_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) +static ssize_t fop_write(struct kiocb *iocb, struct iov_iter *from) { + size_t count = iov_iter_count(from); /* See if we got the magic character 'V' and reload the timer */ if (count) { if (!nowayout) { @@ -196,7 +196,7 @@ static ssize_t fop_write(struct file *file, const char __user *buf, /* now scan */ for (ofs = 0; ofs != count; ofs++) { char c; - if (get_user(c, buf + ofs)) + if (get_iter(c, from)) return -EFAULT; if (c == 'V') wdt_expect_close = 42; @@ -290,7 +290,7 @@ static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg) static const struct file_operations wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .write = fop_write, + .write_iter = fop_write, .open = fop_open, .release = fop_close, .unlocked_ioctl = fop_ioctl, -- 2.43.0
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