if ((cpu < 0) || (cpu >= NR_CPUS)) {
if ((cpu < 0) || (cpu >= NR_CPUS))
static void crash_save_this_cpu(struct pt_regs *regs, int cpu){	struct elf_prstatus prstatus;	u32 *buf;	if ((cpu < 0) || (cpu >= NR_CPUS)) {		return;	}	/* Using ELF notes here is opportunistic.	 * I need a well defined structure format	 * for the data I pass, and I need tags	 * on the data to indicate what information I have	 * squirrelled away.  ELF notes happen to provide	 * all of that that no need to invent something new.	 */	buf = &crash_notes[cpu][0];	memset(&prstatus, 0, sizeof(prstatus));	prstatus.pr_pid = current->pid;	elf_core_copy_regs(&prstatus.pr_reg, regs);	buf = append_elf_note(buf, "CORE", NT_PRSTATUS,		&prstatus, sizeof(prstatus));	final_note(buf);}