15 static inline int modify_ldt (int func, void *ptr, unsigned long bytecount)  in modify_ldt()  argument
17 	return syscall(__NR_modify_ldt, func, ptr, bytecount);  in modify_ldt()
53 static int read_ldt(void __user * ptr, unsigned long bytecount)  in read_ldt()  argument
61 	if (bytecount > LDT_ENTRY_SIZE*LDT_ENTRIES)  in read_ldt()
62 		bytecount = LDT_ENTRY_SIZE*LDT_ENTRIES;  in read_ldt()
63 	err = bytecount;  in read_ldt()
68 		if (size > bytecount)  in read_ldt()
69 			size = bytecount;  in read_ldt()
72 		bytecount -= size;  in read_ldt()
76 		for (i=0; i<ldt->entry_count/LDT_ENTRIES_PER_PAGE && bytecount;  in read_ldt()
79 			if (size > bytecount)  in read_ldt()
80 				size = bytecount;  in read_ldt()
85 			bytecount -= size;  in read_ldt()
91 	if (bytecount == 0 || err == -EFAULT)  in read_ldt()
94 	if (clear_user(ptr, bytecount))  in read_ldt()
101 static int read_default_ldt(void __user * ptr, unsigned long bytecount)  in read_default_ldt()  argument
105 	if (bytecount > 5*LDT_ENTRY_SIZE)  in read_default_ldt()
106 		bytecount = 5*LDT_ENTRY_SIZE;  in read_default_ldt()
108 	err = bytecount;  in read_default_ldt()
114 	if (clear_user(ptr, bytecount))  in read_default_ldt()
120 static int write_ldt(void __user * ptr, unsigned long bytecount, int func)  in write_ldt()  argument
130 	if (bytecount != sizeof(ldt_info))  in write_ldt()
207 			       unsigned long bytecount)  in do_modify_ldt_skas()  argument
213 			ret = read_ldt(ptr, bytecount);  in do_modify_ldt_skas()
217 			ret = write_ldt(ptr, bytecount, func);  in do_modify_ldt_skas()
220 			ret = read_default_ldt(ptr, bytecount);  in do_modify_ldt_skas()
372 int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount)  in sys_modify_ldt()  argument
374 	return do_modify_ldt_skas(func, ptr, bytecount);  in sys_modify_ldt()