chore: fix undocumented panicks

Author: fantix

src/linux/adaptor.rs

@@ -96,7 +96,7 @@ impl KtlsConnector {
                     .await?
                 }
                 #[cfg(not(feature = "rustls"))]
-                KtlsConnectorInner::None(_) => unreachable!(),
+                KtlsConnectorInner::None(v) => match *v {},
             })),
             Err(e) if e.is_ktls_unsupported() => Ok(Err(stream)),
             Err(ktls_core::Error::Ulp(e)) => Err(e),
@@ -221,7 +221,7 @@ impl KtlsAcceptor {
                 #[cfg(feature = "rustls")]
                 KtlsAcceptorInner::Rustls(c) => super::rtls::accept_ktls(c.clone(), stream).await?,
                 #[cfg(not(feature = "rustls"))]
-                KtlsAcceptorInner::None(_) => unreachable!(),
+                KtlsAcceptorInner::None(v) => match *v {},
             })),
             Err(e) if e.is_ktls_unsupported() => Ok(Err(stream)),
             Err(ktls_core::Error::Ulp(e)) => Err(e),

src/linux/rtls.rs

@@ -103,10 +103,14 @@ where
                             unsafe { outgoing_tls.set_len(outgoing_tls.len() + len) };
                             break;
                         }
-                        Err(EncodeError::InsufficientSize(e)) if first => {
-                            outgoing_tls.reserve(e.required_size)
+                        Err(EncodeError::InsufficientSize(e)) => {
+                            if first {
+                                outgoing_tls.reserve(e.required_size)
+                            } else {
+                                unreachable!("insufficient size after reserve()");
+                            }
                         }
-                        Err(_) => unreachable!(),
+                        Err(EncodeError::AlreadyEncoded) => unreachable!("encoded twice"),
                     }
                 }
             }