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authorPaul Mackerras <paulus@samba.org>2008-01-31 01:25:51 +0100
committerPaul Mackerras <paulus@samba.org>2008-01-31 01:25:51 +0100
commitbd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch)
tree5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /drivers/net/tun.c
parentMerge branch 'for-2.6.25' of git://git.secretlab.ca/git/linux-2.6-mpc52xx (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog (diff)
downloadlinux-bd45ac0c5daae35e7c71138172e63df5cf644cf6.tar.xz
linux-bd45ac0c5daae35e7c71138172e63df5cf644cf6.zip
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index f8b8c71187a0..46339f6bcd00 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;
@@ -517,7 +506,7 @@ static int tun_set_iff(struct file *file, struct ifreq *ifr)
/* Be promiscuous by default to maintain previous behaviour. */
tun->if_flags = IFF_PROMISC;
/* Generate random Ethernet address. */
- *(u16 *)tun->dev_addr = htons(0x00FF);
+ *(__be16 *)tun->dev_addr = htons(0x00FF);
get_random_bytes(tun->dev_addr + sizeof(u16), 4);
memset(tun->chr_filter, 0, sizeof tun->chr_filter);