switch hci_vhci to ->write_iter()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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13ba33e899
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512b226815
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@ -160,13 +160,11 @@ static int vhci_create_device(struct vhci_data *data, __u8 opcode)
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}
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static inline ssize_t vhci_get_user(struct vhci_data *data,
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const struct iovec *iov,
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unsigned long count)
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struct iov_iter *from)
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{
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size_t len = iov_length(iov, count);
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size_t len = iov_iter_count(from);
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struct sk_buff *skb;
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__u8 pkt_type, opcode;
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unsigned long i;
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int ret;
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if (len < 2 || len > HCI_MAX_FRAME_SIZE)
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@ -176,12 +174,9 @@ static inline ssize_t vhci_get_user(struct vhci_data *data,
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if (!skb)
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return -ENOMEM;
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for (i = 0; i < count; i++) {
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if (copy_from_user(skb_put(skb, iov[i].iov_len),
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iov[i].iov_base, iov[i].iov_len)) {
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kfree_skb(skb);
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return -EFAULT;
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}
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if (copy_from_iter(skb_put(skb, len), len, from) != len) {
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kfree_skb(skb);
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return -EFAULT;
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}
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pkt_type = *((__u8 *) skb->data);
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@ -294,13 +289,12 @@ static ssize_t vhci_read(struct file *file,
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return ret;
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}
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static ssize_t vhci_write(struct kiocb *iocb, const struct iovec *iov,
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unsigned long count, loff_t pos)
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static ssize_t vhci_write(struct kiocb *iocb, struct iov_iter *from)
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{
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struct file *file = iocb->ki_filp;
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struct vhci_data *data = file->private_data;
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return vhci_get_user(data, iov, count);
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return vhci_get_user(data, from);
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}
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static unsigned int vhci_poll(struct file *file, poll_table *wait)
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@ -365,7 +359,7 @@ static int vhci_release(struct inode *inode, struct file *file)
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static const struct file_operations vhci_fops = {
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.owner = THIS_MODULE,
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.read = vhci_read,
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.aio_write = vhci_write,
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.write_iter = vhci_write,
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.poll = vhci_poll,
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.open = vhci_open,
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.release = vhci_release,
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