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tun: Update classid on packet injection

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This patch makes tun update its socket classid every time we
inject a packet into the network stack.  This is so that any
updates made by the admin to the process writing packets to
tun is effected.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2010-05-24 00:14:10 -07:00 committed by David S. Miller
parent f845172531
commit 8286274284
2 changed files with 3 additions and 0 deletions
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2
drivers/net/tun.c
View File

@ -526,6 +526,8 @@ static inline struct sk_buff *tun_alloc_skb(struct tun_struct *tun,
struct sk_buff *skb;
int err;
sock_update_classid(sk);
/* Under a page? Don't bother with paged skb. */
if (prepad + len < PAGE_SIZE || !linear)
linear = len;

1
net/core/sock.c
View File

@ -1064,6 +1064,7 @@ void sock_update_classid(struct sock *sk)
if (classid && classid != sk->sk_classid)
sk->sk_classid = classid;
}
EXPORT_SYMBOL(sock_update_classid);
#endif
/**