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Date: Sat, 17 Nov 2007 22:55:00 +0900
From: Akinobu Mita <akinobu.mita@...il.com>
To: netdev@...r.kernel.org
Cc: vtun@...ice.satix.net, Maxim Krasnyansky <maxk@...lcomm.com>
Subject: [PATCH] tun: use iov_length()
Use iov_length() instead of tun's homemade iov_total().
Cc: Maxim Krasnyansky <maxk@...lcomm.com>
Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
---
drivers/net/tun.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
Index: 2.6-mm/drivers/net/tun.c
===================================================================
--- 2.6-mm.orig/drivers/net/tun.c
+++ 2.6-mm/drivers/net/tun.c
@@ -292,17 +292,6 @@ static __inline__ ssize_t tun_get_user(s
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
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 k
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;
-
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