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-rw-r--r--net/ipv4/tcp.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 854f6d0..cbcc9fc 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -769,19 +769,23 @@ new_segment:
if (off == PAGE_SIZE) {
put_page(page);
TCP_PAGE(sk) = page = NULL;
+ TCP_OFF(sk) = off = 0;
}
- }
+ } else
+ BUG_ON(off);
+
+ if (copy > PAGE_SIZE - off)
+ copy = PAGE_SIZE - off;
+
+ if (!sk_stream_wmem_schedule(sk, copy))
+ goto wait_for_memory;
if (!page) {
/* Allocate new cache page. */
if (!(page = sk_stream_alloc_page(sk)))
goto wait_for_memory;
- off = 0;
}
- if (copy > PAGE_SIZE - off)
- copy = PAGE_SIZE - off;
-
/* Time to copy data. We are close to
* the end! */
err = skb_copy_to_page(sk, from, skb, page,
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