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authorAl Viro <viro@zeniv.linux.org.uk>2014-08-23 11:28:14 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-10-09 02:39:08 -0400
commit512b2268156a4e15ebf897f9a883bdee153a54b7 (patch)
treeee12ed63d4e71b01b5b14fb3f6bbbef724242c70 /drivers/bluetooth/hci_vhci.c
parent13ba33e89991f6c020a36cfac0001dd54281e67c (diff)
downloadlinux-512b2268156a4e15ebf897f9a883bdee153a54b7.tar.bz2
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.c22
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,