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path: root/drivers/net/mctp/mctp-i3c.c
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Diffstat (limited to 'drivers/net/mctp/mctp-i3c.c')
-rw-r--r--drivers/net/mctp/mctp-i3c.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/mctp/mctp-i3c.c b/drivers/net/mctp/mctp-i3c.c
index c1e72253063b..c678f79aa356 100644
--- a/drivers/net/mctp/mctp-i3c.c
+++ b/drivers/net/mctp/mctp-i3c.c
@@ -506,10 +506,15 @@ 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);
ihdr = (void *)skb_mac_header(skb);