| From | Jens Axboe <> | Subject | [PATCH 276/437] watchdog: sbc7240_wdt: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:16:56 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/watchdog/sbc7240_wdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/sbc7240_wdt.c b/drivers/watchdog/sbc7240_wdt.c index d640b26e18a6..3e31a047bb91 100644 --- a/drivers/watchdog/sbc7240_wdt.c +++ b/drivers/watchdog/sbc7240_wdt.c @@ -91,9 +91,9 @@ static inline 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); size_t i; char c; @@ -104,7 +104,7 @@ static ssize_t fop_write(struct file *file, const char __user *buf, /* is there a magic char ? */ for (i = 0; i != count; i++) { - if (get_user(c, buf + i)) + if (get_iter(c, from)) return -EFAULT; if (c == SBC7240_MAGIC_CHAR) { set_bit(SBC7240_EXPECT_CLOSE_STATUS_BIT, @@ -206,7 +206,7 @@ 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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