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ECHO: Catch skb_linearize out-of-memory condition

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This commit is contained in:
Jan Engelhardt
2008-03-31 06:40:29 +02:00
parent 818cd3b47e
commit b749916313
1 changed files with 2 additions and 1 deletions
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3
extensions/xt_ECHO.c
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@@ -30,7 +30,8 @@ static unsigned int echo_tg4(struct sk_buff *oldskb,
void *payload;
/* This allows us to do the copy operation in fewer lines of code. */
skb_linearize(oldskb);
if (skb_linearize(oldskb) < 0)
return NF_DROP;
oldip = ip_hdr(oldskb);
oldudp = skb_header_pointer(oldskb, ip_hdrlen(oldskb),