wmix_hb_challenge_resp_cmd
struct wmix_hb_challenge_resp_cmd *cmd;
cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
struct wmix_hb_challenge_resp_cmd *cmd;
if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
cmd = (struct wmix_hb_challenge_resp_cmd *) datap;