[PATCH 23/25] ppp_read(): switch to skb_copy_datagram_iter()

From: Al Viro
Date: Tue Dec 09 2014 - 17:52:48 EST


From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
drivers/net/ppp/ppp_generic.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 794a473..af034db 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -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;

--
2.1.3

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