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sys/net/gnrc: gnrc_zep: fix nullPointer error

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This commit is contained in:
Matthias Kolja Miehl 2016-08-21 03:58:40 +02:00
parent 0e1d749340
commit 95baea86d6
1 changed files with 6 additions and 6 deletions
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12
sys/net/gnrc/application_layer/zep/gnrc_zep.c
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@ -198,6 +198,12 @@ static inline uint16_t *_get_uint16_ptr(void *ptr)
static int _send(gnrc_netdev_t *netdev, gnrc_pktsnip_t *pkt) static int _send(gnrc_netdev_t *netdev, gnrc_pktsnip_t *pkt)
{ {
if ((netdev == NULL) || (netdev->driver != &_zep_driver)) {
DEBUG("zep: wrong device on sending\n");
gnrc_pktbuf_release(pkt);
return -ENODEV;
}
gnrc_zep_t *dev = (gnrc_zep_t *)netdev; gnrc_zep_t *dev = (gnrc_zep_t *)netdev;
gnrc_pktsnip_t *ptr, *new_pkt, *hdr; gnrc_pktsnip_t *ptr, *new_pkt, *hdr;
gnrc_zep_hdr_t *zep; gnrc_zep_hdr_t *zep;
@ -205,12 +211,6 @@ static int _send(gnrc_netdev_t *netdev, gnrc_pktsnip_t *pkt)
uint8_t mhr[IEEE802154_MAX_HDR_LEN], *data; uint8_t mhr[IEEE802154_MAX_HDR_LEN], *data;
uint16_t fcs = 0; uint16_t fcs = 0;
if ((netdev == NULL) || (netdev->driver != &_zep_driver)) {
DEBUG("zep: wrong device on sending\n");
gnrc_pktbuf_release(pkt);
return -ENODEV;
}
/* create 802.15.4 header */ /* create 802.15.4 header */
hdr_len = _make_data_frame_hdr(dev, mhr, (gnrc_netif_hdr_t *)pkt->data); hdr_len = _make_data_frame_hdr(dev, mhr, (gnrc_netif_hdr_t *)pkt->data);