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| author | Eric Dumazet <edumazet@google.com> | 2019-05-15 19:10:15 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-05-15 19:22:41 +0300 |
| commit | 858f5017446764e8bca0b29589a3b164186ae471 (patch) | |
| tree | 373f0ffe2041cc465d0c0582b27da70f6179d7ee /include/linux/cacheinfo.h | |
| parent | 22fb43f36006a3d42b7ab34df0f14ded3d513eda (diff) | |
| download | linux-858f5017446764e8bca0b29589a3b164186ae471.tar.xz | |
tcp: do not recycle cloned skbs
It is illegal to change arbitrary fields in skb_shared_info if the
skb is cloned.
Before calling skb_zcopy_clear() we need to ensure this rule,
therefore we need to move the test from sk_stream_alloc_skb()
to sk_wmem_free_skb()
Fixes: 4f661542a402 ("tcp: fix zerocopy and notsent_lowat issues")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Diagnosed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/cacheinfo.h')
0 files changed, 0 insertions, 0 deletions