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Bugfix: q->buf was not tested for NULL, as it should be. Fix by Simon Duquennoy.

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This commit is contained in:
adamdunkels 2011-01-25 14:24:38 +00:00
parent e79c0ab1ee
commit fa524fabd7
1 changed files with 2 additions and 2 deletions
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4
core/net/mac/csma.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: csma.c,v 1.26 2011/01/18 16:03:57 adamdunkels Exp $
* $Id: csma.c,v 1.27 2011/01/25 14:24:38 adamdunkels Exp $
*/
/**
@ -277,7 +277,7 @@ send_packet(mac_callback_t sent, void *ptr)
q = memb_alloc(&packet_memb);
if(q != NULL) {
q->buf = queuebuf_new_from_packetbuf();
if(q != NULL) {
if(q->buf != NULL) {
if(packetbuf_attr(PACKETBUF_ATTR_MAX_MAC_TRANSMISSIONS) == 0) {
/* Use default configuration for max transmissions */
q->max_transmissions = CSMA_MAX_MAC_TRANSMISSIONS;