| From | Jens Axboe <> | Subject | [PATCH 240/437] watchdog: geodewdt: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:16:20 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/watchdog/geodewdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/geodewdt.c b/drivers/watchdog/geodewdt.c index 5186c37ad451..2a0c904536d9 100644 --- a/drivers/watchdog/geodewdt.c +++ b/drivers/watchdog/geodewdt.c @@ -108,9 +108,9 @@ static int geodewdt_release(struct inode *inode, struct file *file) return 0; } -static ssize_t geodewdt_write(struct file *file, const char __user *data, - size_t len, loff_t *ppos) +static ssize_t geodewdt_write(struct kiocb *iocb, struct iov_iter *from) { + size_t len = iov_iter_count(from); if (len) { if (!nowayout) { size_t i; @@ -119,7 +119,7 @@ static ssize_t geodewdt_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') @@ -197,7 +197,7 @@ static long geodewdt_ioctl(struct file *file, unsigned int cmd, static const struct file_operations geodewdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .write = geodewdt_write, + .write_iter = geodewdt_write, .unlocked_ioctl = geodewdt_ioctl, .compat_ioctl = compat_ptr_ioctl, .open = geodewdt_open, -- 2.43.0
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