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Commit b6653b36 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
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tcp: refine memory limit test in tcp_fragment()



tcp_fragment() might be called for skbs in the write queue.

Memory limits might have been exceeded because tcp_sendmsg() only
checks limits at full skb (64KB) boundaries.

Therefore, we need to make sure tcp_fragment() wont punish applications
that might have setup very low SO_SNDBUF values.

Fixes: f070ef2a ("tcp: tcp_fragment() should apply sane memory limits")
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Reported-by: default avatarChristoph Paasch <cpaasch@apple.com>
Tested-by: default avatarChristoph Paasch <cpaasch@apple.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 85f9aa75
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