validation/address_space.c

   1 #define __user __attribute__((address_space(1)))
   2
   3 extern int poke_memory(void *addr);
   4
   5 static int sys_do_stuff(void __user *user_addr)
   6 {
   7         return poke_memory(user_addr);
   8 }
   9 /*
  10  * check-name: address_space attribute
  11  *
  12  * check-error-start
  13 address_space.c:7:21: warning: incorrect type in argument 1 (different address spaces)
  14 address_space.c:7:21:    expected void *addr
  15 address_space.c:7:21:    got void <asn:1>*user_addr
  16  * check-error-end
  17  */