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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-08-23 17:28:14 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-10-09 08:39:08 +0200 |
| commit | 512b2268156a4e15ebf897f9a883bdee153a54b7 (patch) | |
| tree | ee12ed63d4e71b01b5b14fb3f6bbbef724242c70 /drivers/bluetooth/hci_vhci.c | |
| parent | switch /dev/zero and /dev/full to ->read_iter() (diff) | |
| download | linux-512b2268156a4e15ebf897f9a883bdee153a54b7.tar.xz linux-512b2268156a4e15ebf897f9a883bdee153a54b7.zip | |
switch hci_vhci to ->write_iter()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/bluetooth/hci_vhci.c')
| -rw-r--r-- | drivers/bluetooth/hci_vhci.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c index 5bb5872ffee6..6653473f2757 100644 --- a/drivers/bluetooth/hci_vhci.c +++ b/drivers/bluetooth/hci_vhci.c @@ -160,13 +160,11 @@ static int vhci_create_device(struct vhci_data *data, __u8 opcode) } static inline ssize_t vhci_get_user(struct vhci_data *data, - const struct iovec *iov, - unsigned long count) + struct iov_iter *from) { - size_t len = iov_length(iov, count); + size_t len = iov_iter_count(from); struct sk_buff *skb; __u8 pkt_type, opcode; - unsigned long i; int ret; if (len < 2 || len > HCI_MAX_FRAME_SIZE) @@ -176,12 +174,9 @@ static inline ssize_t vhci_get_user(struct vhci_data *data, if (!skb) return -ENOMEM; - for (i = 0; i < count; i++) { - if (copy_from_user(skb_put(skb, iov[i].iov_len), - iov[i].iov_base, iov[i].iov_len)) { - kfree_skb(skb); - return -EFAULT; - } + if (copy_from_iter(skb_put(skb, len), len, from) != len) { + kfree_skb(skb); + return -EFAULT; } pkt_type = *((__u8 *) skb->data); @@ -294,13 +289,12 @@ static ssize_t vhci_read(struct file *file, return ret; } -static ssize_t vhci_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long count, loff_t pos) +static ssize_t vhci_write(struct kiocb *iocb, struct iov_iter *from) { struct file *file = iocb->ki_filp; struct vhci_data *data = file->private_data; - return vhci_get_user(data, iov, count); + return vhci_get_user(data, from); } static unsigned int vhci_poll(struct file *file, poll_table *wait) @@ -365,7 +359,7 @@ static int vhci_release(struct inode *inode, struct file *file) static const struct file_operations vhci_fops = { .owner = THIS_MODULE, .read = vhci_read, - .aio_write = vhci_write, + .write_iter = vhci_write, .poll = vhci_poll, .open = vhci_open, .release = vhci_release, |