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Bug fix: only call subscriber if set

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This commit is contained in:
nifi 2010-03-25 19:30:44 +00:00
parent 1f4ced16eb
commit 0ec8d499e4
1 changed files with 4 additions and 2 deletions
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6
core/net/neighbor-info.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: neighbor-info.c,v 1.4 2010/03/19 16:55:29 nvt-se Exp $
* $Id: neighbor-info.c,v 1.5 2010/03/25 19:30:44 nifi Exp $
*/
/**
* \file
@ -85,7 +85,9 @@ update_etx(const rimeaddr_t *dest, int packet_etx)
if(new_etx > ETX_LIMIT) {
neighbor_attr_remove_neighbor(dest);
subscriber_callback(dest, 0, new_etx);
if(subscriber_callback != NULL) {
subscriber_callback(dest, 0, new_etx);
}
} else if(neighbor_attr_has_neighbor(dest)) {
neighbor_attr_set_data(&etx, dest, &new_etx);
if(new_etx != recorded_etx && subscriber_callback != NULL) {