security_context_str_to_sid
rc = security_context_str_to_sid(s, dst_sid, GFP_KERNEL);
int security_context_str_to_sid(const char *scontext, u32 *out_sid, gfp_t gfp);
length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);
length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);
length = security_context_str_to_sid(con, &sid, GFP_KERNEL);
length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);
length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);
rc = security_context_str_to_sid(oldcon, &osid, GFP_KERNEL);
rc = security_context_str_to_sid(newcon, &nsid, GFP_KERNEL);
rc = security_context_str_to_sid(taskcon, &tsid, GFP_KERNEL);
length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);
length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);
length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);
length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);