tun: Update classid on packet injection

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 <[email protected]> Signed-off-by: David S. Miller <[email protected]>
CamonZ · May 24, 2010 · 8286274 · 8286274
1 parent f845172
commit 8286274
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diff --git a/drivers/net/tun.c b/drivers/net/tun.c
@@ -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;

diff --git a/net/core/sock.c b/net/core/sock.c
@@ -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
 
 /**
-Original file line number
+Diff line change
@@ Expand Up / @@ -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
     /**
@@ Expand Down @@