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net/tls: fix async operation

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Mallesham reports the TLS with async accelerator was broken by
commit d10523d0b3 ("net/tls: free the record on encryption error")
because encryption can return -EINPROGRESS in such setups, which
should not be treated as an error.

The error is also present in the BPF path (likely copied from there).

Reported-by: Mallesham Jatharakonda <mallesham.jatharakonda@oneconvergence.com>
Fixes: d3b18ad31f ("tls: add bpf support to sk_msg handling")
Fixes: d10523d0b3 ("net/tls: free the record on encryption error")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2020-01-10 04:38:32 -08:00 committed by David S. Miller
parent 5c5d22a750
commit db885e66d2
1 changed files with 2 additions and 2 deletions
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4
net/tls/tls_sw.c
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@ -770,7 +770,7 @@ static int bpf_exec_tx_verdict(struct sk_msg *msg, struct sock *sk,
psock = sk_psock_get(sk);
if (!psock || !policy) {
err = tls_push_record(sk, flags, record_type);
if (err) {
if (err && err != -EINPROGRESS) {
*copied -= sk_msg_free(sk, msg);
tls_free_open_rec(sk);
}
@ -799,7 +799,7 @@ more_data:
switch (psock->eval) {
case __SK_PASS:
err = tls_push_record(sk, flags, record_type);
if (err < 0) {
if (err && err != -EINPROGRESS) {
*copied -= sk_msg_free(sk, msg);
tls_free_open_rec(sk);
goto out_err;