1 files changed, 13 insertions, 7 deletions

diff --git a/src/lib/libcrypto/bio/bss_dgram.c b/src/lib/libcrypto/bio/bss_dgram.c
index eb7e365467..71ebe987b6 100644
--- a/src/lib/libcrypto/bio/bss_dgram.c
+++ b/src/lib/libcrypto/bio/bss_dgram.c
@@ -57,7 +57,6 @@
  *
  */
 
-#ifndef OPENSSL_NO_DGRAM
 
 #include <stdio.h>
 #include <errno.h>
@@ -65,6 +64,7 @@
 #include "cryptlib.h"
 
 #include <openssl/bio.h>
+#ifndef OPENSSL_NO_DGRAM
 
 #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS)
 #include <sys/timeb.h>
@@ -308,7 +308,6 @@ static int dgram_read(BIO *b, char *out, int outl)
                         OPENSSL_assert(sa.len.s<=sizeof(sa.peer));
                         sa.len.i = (int)sa.len.s;
                         }
-                dgram_reset_rcv_timeout(b);
 
                 if ( ! data->connected  && ret >= 0)
                         BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, &sa.peer);
@@ -322,6 +321,8 @@ static int dgram_read(BIO *b, char *out, int outl)
                                 data->_errno = get_last_socket_error();
                                 }
                         }
+
+                dgram_reset_rcv_timeout(b);
                 }
         return(ret);
         }
@@ -340,7 +341,7 @@ static int dgram_write(BIO *b, const char *in, int inl)
 
                 if (data->peer.sa.sa_family == AF_INET)
                         peerlen = sizeof(data->peer.sa_in);
-#if OPENSSL_USE_IVP6
+#if OPENSSL_USE_IPV6
                 else if (data->peer.sa.sa_family == AF_INET6)
                         peerlen = sizeof(data->peer.sa_in6);
 #endif
@@ -745,9 +746,13 @@ static int BIO_dgram_should_retry(int i)
                 {
                 err=get_last_socket_error();
 
-#if defined(OPENSSL_SYS_WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */
-                if ((i == -1) && (err == 0))
-                        return(1);
+#if defined(OPENSSL_SYS_WINDOWS)
+        /* If the socket return value (i) is -1
+         * and err is unexpectedly 0 at this point,
+         * the error code was overwritten by
+         * another system call before this error
+         * handling is called.
+         */
 #endif
 
                 return(BIO_dgram_non_fatal_error(err));
@@ -810,7 +815,6 @@ int BIO_dgram_non_fatal_error(int err)
                 }
         return(0);
         }
-#endif
 
 static void get_current_time(struct timeval *t)
         {
@@ -828,3 +832,5 @@ static void get_current_time(struct timeval *t)
         gettimeofday(t, NULL);
 #endif
         }
+
+#endif