Fix for rsync server processes hanging around after the client

unexpectedly disconnects.  (Colin Walters) (Debian bug #128632)

NEWS

@@ -17,6 +17,9 @@ rsync 2.5.3 (not released yet)
     * Fixed problem on systems such as Sunos4 that do not support realloc
       on a NULL pointer; error was "out of memory in flist_expand".
 
+    * Fix for rsync server processes hanging around after the client
+      unexpectedly disconnects.  (Colin Walters) (Debian bug #128632)
+
   ENHANCEMENTS:
 
     * Command to initiate connections is only shown with -vv, rather

io.c

@@ -454,6 +454,9 @@ static void writefd_unbuffered(int fd,char *buf,size_t len)
 			}
 
 			if (ret <= 0) {
+				/* Don't try to write errors back
+				 * across the stream */
+				io_multiplexing_close();
 				rprintf(FERROR,
 					"error writing %d unbuffered bytes"
 					" - exiting: %s\n", len,