Toss all emergency packets not for a SOCK_VMIO socket. This ensures our
precious memory reserve doesn't get stuck waiting for user-space.

Signed-off-by: Peter Zijlstra <[EMAIL PROTECTED]>
---
 include/net/sock.h |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-2.6-git/include/net/sock.h
===================================================================
--- linux-2.6-git.orig/include/net/sock.h       2007-02-14 16:15:49.000000000 
+0100
+++ linux-2.6-git/include/net/sock.h    2007-02-14 16:16:27.000000000 +0100
@@ -926,6 +926,9 @@ static inline int sk_filter(struct sock 
 {
        int err;
        struct sk_filter *filter;
+
+       if (skb_emergency(skb) && !sk_has_vmio(sk))
+               return -EPERM;
        
        err = security_sock_rcv_skb(sk, skb);
        if (err)

-- 

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