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carma-fpga: switch to simple_read_from_buffer()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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1 changed files with 2 additions and 7 deletions
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@ -749,13 +749,8 @@ static ssize_t fpga_read(struct file *filp, char __user *buf, size_t count,
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loff_t *f_pos)
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{
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struct fpga_dev *priv = filp->private_data;
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count = min_t(size_t, priv->bytes - *f_pos, count);
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if (copy_to_user(buf, priv->vb.vaddr + *f_pos, count))
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return -EFAULT;
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*f_pos += count;
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return count;
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return simple_read_from_buffer(buf, count, ppos,
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priv->vb.vaddr, priv->bytes);
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}
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static loff_t fpga_llseek(struct file *filp, loff_t offset, int origin)
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