| From | Jens Axboe <> | Subject | [PATCH 275/437] watchdog: sb_wdog: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:16:55 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/watchdog/sb_wdog.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/sb_wdog.c b/drivers/watchdog/sb_wdog.c index 504be461f992..cb1123b7bdbf 100644 --- a/drivers/watchdog/sb_wdog.c +++ b/drivers/watchdog/sb_wdog.c @@ -141,9 +141,9 @@ static int sbwdog_release(struct inode *inode, struct file *file) /* * 42 - the answer */ -static ssize_t sbwdog_write(struct file *file, const char __user *data, - size_t len, loff_t *ppos) +static ssize_t sbwdog_write(struct kiocb *iocb, struct iov_iter *from) { + size_t len = iov_iter_count(from); int i; if (len) { @@ -155,7 +155,7 @@ static ssize_t sbwdog_write(struct file *file, const char __user *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') expect_close = 42; @@ -235,7 +235,7 @@ static int sbwdog_notify_sys(struct notifier_block *this, unsigned long code, static const struct file_operations sbwdog_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .write = sbwdog_write, + .write_iter = sbwdog_write, .unlocked_ioctl = sbwdog_ioctl, .compat_ioctl = compat_ptr_ioctl, .open = sbwdog_open, -- 2.43.0
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