Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5adf5dc5 authored by Christian Gromm's avatar Christian Gromm Committed by Greg Kroah-Hartman
Browse files

staging: most: rearrange function aim_write 



This patch straightens and rearranges the code of function aim_write()
of module aim-cdev.

Signed-off-by: default avatarChristian Gromm <christian.gromm@microchip.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f45b0fba

drivers/staging/most/aim-cdev/cdev.c

+14 −18
Original line number Diff line number Diff line
@@ -183,10 +183,9 @@ static int aim_close(struct inode *inode, struct file *filp) 
static ssize_t aim_write(struct file *filp, const char __user *buf,

			 size_t count, loff_t *offset)

{

	int ret, err;

	int ret;

	size_t actual_len;

	size_t max_len;

	ssize_t retval;

	struct mbo *mbo = NULL;

	struct aim_channel *c = filp->private_data;
@@ -202,33 +201,30 @@ static ssize_t aim_write(struct file *filp, const char __user *buf, 
	}



	if (unlikely(!c->dev)) {

		err = -EPIPE;

		goto error;

		ret = -EPIPE;

		goto unlock;

	}



	max_len = c->cfg->buffer_size;

	actual_len = min(count, max_len);

	mbo->buffer_length = actual_len;



	retval = copy_from_user(mbo->virt_address, buf, mbo->buffer_length);

	if (retval) {

		err = -EIO;

		goto error;

	if (copy_from_user(mbo->virt_address, buf, mbo->buffer_length)) {

		ret = -EFAULT;

		goto put_mbo;

	}



	ret = most_submit_mbo(mbo);

	if (ret) {

		pr_info("submitting MBO to core failed\n");

		err = ret;

		goto error;

	}

	if (ret)

		goto put_mbo;



	mutex_unlock(&c->io_mutex);

	return actual_len - retval;

error:

	if (mbo)

	return actual_len;

put_mbo:

	most_put_mbo(mbo);

unlock:

	mutex_unlock(&c->io_mutex);

	return err;

	return ret;

}



/**