| From | Jens Axboe <> | Subject | [PATCH 142/437] drm: mipi: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:14:42 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/gpu/drm/drm_mipi_dbi.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c index daac649aabdb..43198c3b2eed 100644 --- a/drivers/gpu/drm/drm_mipi_dbi.c +++ b/drivers/gpu/drm/drm_mipi_dbi.c @@ -1332,12 +1332,12 @@ EXPORT_SYMBOL(mipi_dbi_spi_transfer); #ifdef CONFIG_DEBUG_FS -static ssize_t mipi_dbi_debugfs_command_write(struct file *file, - const char __user *ubuf, - size_t count, loff_t *ppos) +static ssize_t mipi_dbi_debugfs_command_write(struct kiocb *iocb, + struct iov_iter *from) { - struct seq_file *m = file->private_data; + struct seq_file *m = iocb->ki_filp->private_data; struct mipi_dbi_dev *dbidev = m->private; + size_t count = iov_iter_count(from); u8 val, cmd = 0, parameters[64]; char *buf, *pos, *token; int i, ret, idx; @@ -1345,7 +1345,7 @@ static ssize_t mipi_dbi_debugfs_command_write(struct file *file, if (!drm_dev_enter(&dbidev->drm, &idx)) return -ENODEV; - buf = memdup_user_nul(ubuf, count); + buf = iterdup_nul(from, count); if (IS_ERR(buf)) { ret = PTR_ERR(buf); goto err_exit; @@ -1446,10 +1446,10 @@ static int mipi_dbi_debugfs_command_open(struct inode *inode, static const struct file_operations mipi_dbi_debugfs_command_fops = { .owner = THIS_MODULE, .open = mipi_dbi_debugfs_command_open, - .read = seq_read, + .read_iter = seq_read_iter, .llseek = seq_lseek, .release = single_release, - .write = mipi_dbi_debugfs_command_write, + .write_iter = mipi_dbi_debugfs_command_write, }; /** -- 2.43.0
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