--- a/src/os/unix/ngx_readv_chain.c
+++ b/src/os/unix/ngx_readv_chain.c
@@ -32,26 +32,23 @@ ngx_readv_chain(ngx_connection_t *c, ngx
                        rev->pending_eof, rev->available, rev->kq_errno);
 
         if (rev->available == 0) {
-
-            if (!rev->pending_eof) {
-                return NGX_AGAIN;
-            }
-
-            /* FreeBSD 5.x-6.x may erroneously report ETIMEDOUT */
-            if (rev->kq_errno != NGX_ETIMEDOUT) {
-
+            if (rev->pending_eof) {
                 rev->ready = 0;
                 rev->eof = 1;
 
+                ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
+                              "kevent() reported about an closed connection");
+
                 if (rev->kq_errno) {
                     rev->error = 1;
                     ngx_set_socket_errno(rev->kq_errno);
-
-                    return ngx_connection_error(c, rev->kq_errno,
-                               "kevent() reported about an closed connection");
+                    return NGX_ERROR;
                 }
 
                 return 0;
+
+            } else {
+                return NGX_AGAIN;
             }
         }
     }
@@ -100,8 +97,8 @@ ngx_readv_chain(ngx_connection_t *c, ngx
                 rev->available -= n;
 
                 /*
-                 * rev->available can be negative here because some additional
-                 * bytes can be received between kevent() and recv()
+                 * rev->available may be negative here because some additional
+                 * bytes may be received between kevent() and recv()
                  */
 
                 if (rev->available <= 0) {