diff mbox series

[PATHv1,2/9] net: sandbox: fix NULL pointer derefences

Message ID 20231204120446.3277-3-maxim.uvarov@linaro.org
State Superseded
Headers show
Series net fixes prior lwip | expand

Commit Message

Maxim Uvarov Dec. 4, 2023, 12:04 p.m. UTC 
Add additional checks for NULL pointers.

Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
---
 drivers/net/sandbox.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/sandbox.c b/drivers/net/sandbox.c
index 13022addb6..d91935e032 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;