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authorAkinobu Mita <akinobu.mita@gmail.com>2007-11-19 22:46:51 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:54:34 -0800
commit52427c9d11477d5a2633d81050f52523decf9eff (patch)
treee4107505fb7f7041344e0ec77a9ac714383f9b4a /drivers/net/tun.c
parent02d45827fa211093202f96bdd58020cc8687929f (diff)
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[TUN]: Use iov_length()
Use iov_length() instead of tun's homemade iov_total(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index f8b8c71..5db4df4 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -292,17 +292,6 @@ static __inline__ ssize_t tun_get_user(struct tun_struct *tun, struct iovec *iv,
return count;
}
-static inline size_t iov_total(const struct iovec *iv, unsigned long count)
-{
- unsigned long i;
- size_t len;
-
- for (i = 0, len = 0; i < count; i++)
- len += iv[i].iov_len;
-
- return len;
-}
-
static ssize_t tun_chr_aio_write(struct kiocb *iocb, const struct iovec *iv,
unsigned long count, loff_t pos)
{
@@ -313,7 +302,7 @@ static ssize_t tun_chr_aio_write(struct kiocb *iocb, const struct iovec *iv,
DBG(KERN_INFO "%s: tun_chr_write %ld\n", tun->dev->name, count);
- return tun_get_user(tun, (struct iovec *) iv, iov_total(iv, count));
+ return tun_get_user(tun, (struct iovec *) iv, iov_length(iv, count));
}
/* Put packet to the user space buffer */
@@ -364,7 +353,7 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv,
DBG(KERN_INFO "%s: tun_chr_read\n", tun->dev->name);
- len = iov_total(iv, count);
+ len = iov_length(iv, count);
if (len < 0)
return -EINVAL;