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carma-fpga: switch to simple_read_from_buffer() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-08-19 12:08:37 -04:00
parent 1a37f5ecb7
commit d88c242623
1 changed files with 2 additions and 7 deletions
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9
drivers/misc/carma/carma-fpga-program.c
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@ -749,13 +749,8 @@ static ssize_t fpga_read(struct file *filp, char __user *buf, size_t count,
loff_t *f_pos)
{
struct fpga_dev *priv = filp->private_data;
count = min_t(size_t, priv->bytes - *f_pos, count);
if (copy_to_user(buf, priv->vb.vaddr + *f_pos, count))
return -EFAULT;
*f_pos += count;
return count;
return simple_read_from_buffer(buf, count, ppos,
priv->vb.vaddr, priv->bytes);
}
static loff_t fpga_llseek(struct file *filp, loff_t offset, int origin)