From: "Colin Harrison" <[email protected]>
Date: Mon, 5 Sep 2005 16:43:44 +0100
> I'm getting the following BUG report with 2.6.13-git5:-
Should be fixed by this patch. And please use [email protected]
for networking kernel stuff, thanks.
diff-tree fb5f5e6e0cebd574be737334671d1aa8f170d5f3 (from 1198ad002ad36291817c7bf0308ab9c50ee2571d)
Author: Herbert Xu <[email protected]>
Date: Mon Sep 5 18:55:48 2005 -0700
[TCP]: Fix TCP_OFF() bug check introduced by previous change.
The TCP_OFF assignment at the bottom of that if block can indeed set
TCP_OFF without setting TCP_PAGE. Since there is not much to be
gained from avoiding this situation, we might as well just zap the
offset. The following patch should fix it.
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -769,10 +769,10 @@ new_segment:
if (off == PAGE_SIZE) {
put_page(page);
TCP_PAGE(sk) = page = NULL;
- TCP_OFF(sk) = off = 0;
+ off = 0;
}
} else
- BUG_ON(off);
+ off = 0;
if (copy > PAGE_SIZE - off)
copy = PAGE_SIZE - off;
-
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