Fix errors reported by coverity scan

src/HttpServer.cc

@@ -624,13 +624,12 @@ int Http2Handler::read_clear() {
   int rv;
   std::array<uint8_t, 8_k> buf;
 
-  for (;;) {
   ssize_t nread;
   while ((nread = read(fd_, buf.data(), buf.size())) == -1 && errno == EINTR)
     ;
   if (nread == -1) {
     if (errno == EAGAIN || errno == EWOULDBLOCK) {
-        break;
+      return write_(*this);
     }
     return -1;
   }
@@ -650,8 +649,6 @@ int Http2Handler::read_clear() {
     }
     return -1;
   }
-    break;
-  }
 
   return write_(*this);
 }
@@ -746,14 +743,13 @@ int Http2Handler::read_tls() {
 
   ERR_clear_error();
 
-  for (;;) {
   auto rv = SSL_read(ssl_, buf.data(), buf.size());
 
   if (rv <= 0) {
     auto err = SSL_get_error(ssl_, rv);
     switch (err) {
     case SSL_ERROR_WANT_READ:
-        goto fin;
+      return write_(*this);
     case SSL_ERROR_WANT_WRITE:
       // renegotiation started
       return -1;
@@ -776,10 +772,7 @@ int Http2Handler::read_tls() {
     }
     return -1;
   }
-    break;
-  }
 
-fin:
   return write_(*this);
 }
 

src/shrpx_config.h

@@ -505,7 +505,8 @@ struct DownstreamAddrGroupConfig {
   DownstreamAddrGroupConfig(const StringRef &pattern)
       : pattern(pattern),
         affinity{SessionAffinity::NONE},
-        redirect_if_not_tls(false) {}
+        redirect_if_not_tls(false),
+        timeout{} {}
 
   StringRef pattern;
   StringRef mruby_file;

src/shrpx_connection.cc

@@ -469,9 +469,9 @@ int Connection::tls_handshake() {
                   << ERR_error_string(ERR_get_error(), nullptr);
       }
 
-      struct iovec iov;
-      auto iovcnt = tls.wbuf.riovec(&iov, 1);
-      auto nwrite = writev_clear(&iov, iovcnt);
+      struct iovec iov[1];
+      auto iovcnt = tls.wbuf.riovec(iov, 1);
+      auto nwrite = writev_clear(iov, iovcnt);
       if (nwrite > 0) {
         tls.wbuf.drain(nwrite);
       }

src/shrpx_http2_session.cc

@@ -1097,6 +1097,7 @@ int on_response_headers(Http2Session *http2session, Downstream *downstream,
 
   auto status = resp.fs.header(http2::HD__STATUS);
   // libnghttp2 guarantees this exists and can be parsed
+  assert(status);
   auto status_code = http2::parse_http_status_code(status->value);
 
   resp.http_status = status_code;

src/shrpx_worker.h

@@ -190,7 +190,8 @@ struct SharedDownstreamAddr {
   SharedDownstreamAddr()
       : balloc(1024, 1024),
         affinity{SessionAffinity::NONE},
-        redirect_if_not_tls{false} {}
+        redirect_if_not_tls{false},
+        timeout{} {}
 
   SharedDownstreamAddr(const SharedDownstreamAddr &) = delete;
   SharedDownstreamAddr(SharedDownstreamAddr &&) = delete;