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| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-07-08 19:53:18 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-07-08 20:21:10 -0700 |
| commit | 5c4b4608fe100838c62591877101128467e56c00 (patch) | |
| tree | 8690bd0fe8a0e62fc8610face1254683ee6c31a1 /net/tls | |
| parent | 5a4cea280c01ba0ef3deda85c14fd1321eff3270 (diff) | |
| download | linux-stable-5c4b4608fe100838c62591877101128467e56c00.tar.gz linux-stable-5c4b4608fe100838c62591877101128467e56c00.tar.bz2 linux-stable-5c4b4608fe100838c62591877101128467e56c00.zip | |
net/tls: fix socket wmem accounting on fallback with netem
netem runs skb_orphan_partial() which "disconnects" the skb
from normal TCP write memory accounting. We should not adjust
sk->sk_wmem_alloc on the fallback path for such skbs.
Fixes: e8f69799810c ("net/tls: Add generic NIC offload infrastructure")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tls')
| -rw-r--r-- | net/tls/tls_device_fallback.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/tls/tls_device_fallback.c b/net/tls/tls_device_fallback.c index 1d2d804ac633..9070d68a92a4 100644 --- a/net/tls/tls_device_fallback.c +++ b/net/tls/tls_device_fallback.c @@ -209,6 +209,10 @@ static void complete_skb(struct sk_buff *nskb, struct sk_buff *skb, int headln) update_chksum(nskb, headln); + /* sock_efree means skb must gone through skb_orphan_partial() */ + if (nskb->destructor == sock_efree) + return; + delta = nskb->truesize - skb->truesize; if (likely(delta < 0)) WARN_ON_ONCE(refcount_sub_and_test(-delta, &sk->sk_wmem_alloc)); |