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ppp_read(): switch to skb_copy_datagram_iter()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-11-24 17:48:04 -05:00
parent e5a4b0bb80
commit ba5684083c
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ppp/ppp_generic.c
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@ -417,6 +417,7 @@ static ssize_t ppp_read(struct file *file, char __user *buf,
ssize_t ret;
struct sk_buff *skb = NULL;
struct iovec iov;
struct iov_iter to;
ret = count;
@ -462,7 +463,8 @@ static ssize_t ppp_read(struct file *file, char __user *buf,
ret = -EFAULT;
iov.iov_base = buf;
iov.iov_len = count;
if (skb_copy_datagram_iovec(skb, 0, &iov, skb->len))
iov_iter_init(&to, READ, &iov, 1, count);
if (skb_copy_datagram_iter(skb, 0, &to, skb->len))
goto outf;
ret = skb->len;