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gnrc_netif: fix potential null pointer dereference

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Martine Lenders 2022-03-24 15:53:23 +01:00
parent d53f37546f
commit 624e8099ec
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1 changed files with 2 additions and 2 deletions
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sys/net/gnrc/netif/gnrc_netif.c
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@ -139,8 +139,8 @@ unsigned gnrc_netif_numof(void)
gnrc_netif_t *gnrc_netif_iter(const gnrc_netif_t *prev) gnrc_netif_t *gnrc_netif_iter(const gnrc_netif_t *prev)
{ {
netif_t *result = netif_iter(&prev->netif); netif_t *result = netif_iter((prev) ? &prev->netif : NULL);
return container_of(result, gnrc_netif_t, netif); return (result) ? container_of(result, gnrc_netif_t, netif) : NULL;
} }
gnrc_netif_t *gnrc_netif_get_by_type(netdev_type_t type, uint8_t index) gnrc_netif_t *gnrc_netif_get_by_type(netdev_type_t type, uint8_t index)