tls: Fix TLS ulp context leak, when TLS_TX setsockopt is not used.
Previously the TLS ulp context would leak if we attached a TLS ulp to a socket but did not use the TLS_TX setsockopt, or did use it but it failed. This patch solves the issue by overriding prot[TLS_BASE_TX].close and fixing tls_sk_proto_close to work properly when its called with ctx->tx_conf == TLS_BASE_TX. This patch also removes ctx->free_resources as we can use ctx->tx_conf to obtain the relevant information. Fixes: 3c4d7559 ('tls: kernel TLS support') Signed-off-by: NIlya Lesokhin <ilyal@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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