[PATHv2 2/9] net: sandbox: fix NULL pointer derefences
Sean Anderson
seanga2 at gmail.com
Mon Dec 25 23:43:45 CET 2023
On 12/25/23 10:39, Maxim Uvarov wrote:
> Add additional checks for NULL pointers.
>
> Signed-off-by: Maxim Uvarov <maxim.uvarov at linaro.org>
> ---
> drivers/net/sandbox.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> 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;
> +
When can priv be NULL?
--Sean
> if (ntohs(eth->et_protlen) != PROT_ARP)
> return -EAGAIN;
>
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