{
struct sof_client_dev *cdev = file->private_data;
struct sof_msg_inject_priv *priv = cdev->data;
- size_t size;
+ ssize_t size;
int ret;
if (*ppos)
size = simple_write_to_buffer(priv->tx_buffer, priv->max_msg_size,
ppos, buffer, count);
+ if (size < 0)
+ return size;
if (size != count)
- return size > 0 ? -EFAULT : size;
+ return -EFAULT;
memset(priv->rx_buffer, 0, priv->max_msg_size);
struct sof_client_dev *cdev = file->private_data;
struct sof_msg_inject_priv *priv = cdev->data;
struct sof_ipc4_msg *ipc4_msg = priv->tx_buffer;
- size_t size;
+ ssize_t size;
int ret;
if (*ppos)
size = simple_write_to_buffer(&ipc4_msg->header_u64,
sizeof(ipc4_msg->header_u64),
ppos, buffer, count);
+ if (size < 0)
+ return size;
if (size != sizeof(ipc4_msg->header_u64))
- return size > 0 ? -EFAULT : size;
+ return -EFAULT;
count -= size;
if (!count) {
size = simple_write_to_buffer(ipc4_msg->data_ptr,
priv->max_msg_size, ppos, buffer,
count);
+ if (size < 0)
+ return size;
if (size != count)
- return size > 0 ? -EFAULT : size;
+ return -EFAULT;
}
ipc4_msg->data_size = count;