Add additional checks for NULL pointers.
Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org --- drivers/net/sandbox.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/sandbox.c b/drivers/net/sandbox.c index 13022addb6..75d32db3a9 100644 --- a/drivers/net/sandbox.c +++ b/drivers/net/sandbox.c @@ -65,6 +65,9 @@ int sandbox_eth_arp_req_to_reply(struct udevice *dev, void *packet, struct ethernet_hdr *eth_recv; struct arp_hdr *arp_recv;
+ if (!priv) + return -EAGAIN; + if (ntohs(eth->et_protlen) != PROT_ARP) return -EAGAIN;
@@ -82,6 +85,8 @@ int sandbox_eth_arp_req_to_reply(struct udevice *dev, void *packet,
/* Formulate a fake response */ eth_recv = (void *)priv->recv_packet_buffer[priv->recv_packets]; + if (!eth_recv) + return -EAGAIN; memcpy(eth_recv->et_dest, eth->et_src, ARP_HLEN); memcpy(eth_recv->et_src, priv->fake_host_hwaddr, ARP_HLEN); eth_recv->et_protlen = htons(PROT_ARP);