net/tls: Removed redundant checks for non-NULL
Removed checks against non-NULL before calling kfree_skb() and crypto_free_aead(). These functions are safe to be called with NULL as an argument. Signed-off-by: Vakul Garg <vakul.garg@nxp.com> Acked-by: Dave Watson <davejwatson@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1047,8 +1047,7 @@ void tls_sw_free_resources_tx(struct sock *sk)
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struct tls_context *tls_ctx = tls_get_ctx(sk);
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struct tls_sw_context_tx *ctx = tls_sw_ctx_tx(tls_ctx);
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if (ctx->aead_send)
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crypto_free_aead(ctx->aead_send);
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crypto_free_aead(ctx->aead_send);
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tls_free_both_sg(sk);
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kfree(ctx);
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@ -1060,10 +1059,8 @@ void tls_sw_release_resources_rx(struct sock *sk)
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struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
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if (ctx->aead_recv) {
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if (ctx->recv_pkt) {
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kfree_skb(ctx->recv_pkt);
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ctx->recv_pkt = NULL;
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}
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kfree_skb(ctx->recv_pkt);
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ctx->recv_pkt = NULL;
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crypto_free_aead(ctx->aead_recv);
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strp_stop(&ctx->strp);
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write_lock_bh(&sk->sk_callback_lock);
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