| From | Jens Axboe <> | Subject | [PATCH 083/437] kernel/irq: convert debugfs helpers to read/write iterators | Date | Thu, 11 Apr 2024 09:13:43 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- kernel/irq/debugfs.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/kernel/irq/debugfs.c b/kernel/irq/debugfs.c index aae0402507ed..addf000046b8 100644 --- a/kernel/irq/debugfs.c +++ b/kernel/irq/debugfs.c @@ -193,15 +193,15 @@ static int irq_debug_open(struct inode *inode, struct file *file) return single_open(file, irq_debug_show, inode->i_private); } -static ssize_t irq_debug_write(struct file *file, const char __user *user_buf, - size_t count, loff_t *ppos) +static ssize_t irq_debug_write(struct kiocb *iocb, struct iov_iter *from) { - struct irq_desc *desc = file_inode(file)->i_private; + struct irq_desc *desc = file_inode(iocb->ki_filp)->i_private; + size_t count = iov_iter_count(from); char buf[8] = { 0, }; size_t size; size = min(sizeof(buf) - 1, count); - if (copy_from_user(buf, user_buf, size)) + if (!copy_from_iter_full(buf, size, from)) return -EFAULT; if (!strncmp(buf, "trigger", size)) { @@ -215,8 +215,8 @@ static ssize_t irq_debug_write(struct file *file, const char __user *user_buf, static const struct file_operations dfs_irq_ops = { .open = irq_debug_open, - .write = irq_debug_write, - .read = seq_read, + .write_iter = irq_debug_write, + .read_iter = seq_read_iter, .llseek = seq_lseek, .release = single_release, }; -- 2.43.0
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