sys/dvb/gstdvbsrc.c: With constant read failures, make sure we exit the read_device method.

Original commit message from CVS:
* sys/dvb/gstdvbsrc.c:
With constant read failures, make sure we exit the read_device
method.

ChangeLog

+2008-12-23  Zaheer Abbas Merali  <zaheerabbas at merali dot org>
+
+	* sys/dvb/gstdvbsrc.c:
+	With constant read failures, make sure we exit the read_device
+	method.
+
 2008-12-23  Zaheer Abbas Merali  <zaheerabbas at merali dot org>
 
 	* sys/dvb/gstdvbsrc.c:

sys/dvb/gstdvbsrc.c

@@ -918,7 +918,10 @@ read_device (int fd, int adapter_number, int frontend_number, int size,
 
       }
     } else if (errno == -EINTR) {       // poll interrupted
-      ;
+      if (attempts % 50 == 0) {
+        gst_buffer_unref (buf);
+        return NULL;
+      };
     }
 
   }