diff options
Diffstat (limited to 'drivers/net/mctp/mctp-i3c.c')
| -rw-r--r-- | drivers/net/mctp/mctp-i3c.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/mctp/mctp-i3c.c b/drivers/net/mctp/mctp-i3c.c index d247fe483c58..c678f79aa356 100644 --- a/drivers/net/mctp/mctp-i3c.c +++ b/drivers/net/mctp/mctp-i3c.c @@ -506,6 +506,14 @@ static int mctp_i3c_header_create(struct sk_buff *skb, struct net_device *dev, const void *saddr, unsigned int len) { struct mctp_i3c_internal_hdr *ihdr; + int rc; + + if (!daddr || !saddr) + return -EINVAL; + + rc = skb_cow_head(skb, sizeof(struct mctp_i3c_internal_hdr)); + if (rc) + return rc; skb_push(skb, sizeof(struct mctp_i3c_internal_hdr)); skb_reset_mac_header(skb); |