mctp_i2c_hdr
struct mctp_i2c_hdr *hdr;
if (hdr->byte_count + offsetof(struct mctp_i2c_hdr, source_slave) != recvlen) {
skb_pull(skb, sizeof(struct mctp_i2c_hdr));
struct mctp_i2c_hdr *hdr;
struct mctp_i2c_hdr *hdr;
rc = skb_cow_head(skb, sizeof(struct mctp_i2c_hdr));
skb_push(skb, sizeof(struct mctp_i2c_hdr));
return sizeof(struct mctp_i2c_hdr);
dev->hard_header_len = sizeof(struct mctp_i2c_hdr);