Silence error message we get in gnutls when the peer hangs up

* gnutls.c (emacs_gnutls_read): Don't message anything if the peer
closes the connection while we're reading.

Fixes: debbugs:9182

2 files changed, 8 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index dd25d155c66..e204ff2040b 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-27  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+        * gnutls.c (emacs_gnutls_read): Don't message anything if the peer
+        closes the connection while we're reading (bug#9182).
+
 2011-07-25  Jan Djärv  <jan.h.d@swipnet.se>
 
         * nsmenu.m (ns_popup_dialog): Add an "ok" button if no buttons
diff --git a/src/gnutls.c b/src/gnutls.c
index 3175f55041d..fc651d2c7e4 100644
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -382,6 +382,9 @@ emacs_gnutls_read (struct Lisp_Process *proc, char *buf, EMACS_INT nbyte)
   rtnval = fn_gnutls_record_recv (state, buf, nbyte);
   if (rtnval >= 0)
     return rtnval;
+  else if (rtnval == GNUTLS_E_UNEXPECTED_PACKET_LENGTH)
+    /* The peer closed the connection. */
+    return 0;
   else if (emacs_gnutls_handle_error (state, rtnval) == 0)
     /* non-fatal error */
     return -1;