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Commit ad9082ad authored by Akinobu Mita's avatar Akinobu Mita Committed by John W. Linville
Browse files

airo: use simple_write_to_buffer 



Simplify write file operation for /proc files by using
simple_write_to_buffer().

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 52671e43

drivers/net/wireless/airo.c

+7 −13
Original line number Diff line number Diff line
@@ -4652,24 +4652,18 @@ static ssize_t proc_write( struct file *file, 
			   size_t len,

			   loff_t *offset )

{

	loff_t pos = *offset;

	ssize_t ret;

	struct proc_data *priv = file->private_data;



	if (!priv->wbuffer)

		return -EINVAL;



	if (pos < 0)

		return -EINVAL;

	if (pos >= priv->maxwritelen)

		return 0;

	if (len > priv->maxwritelen - pos)

		len = priv->maxwritelen - pos;

	if (copy_from_user(priv->wbuffer + pos, buffer, len))

		return -EFAULT;

	if ( pos + len > priv->writelen )

		priv->writelen = len + file->f_pos;

	*offset = pos + len;

	return len;

	ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset,

					buffer, len);

	if (ret > 0)

		priv->writelen = max_t(int, priv->writelen, *offset);



	return ret;

}



static int proc_status_open(struct inode *inode, struct file *file)