1#define __user __attribute__((address_space(1)))
2
3typedef unsigned long ulong;
4typedef struct s obj_t;
5
6static void expl(ulong u, void *v, obj_t *o, obj_t __user *p)
7{
8	(obj_t*)(u);
9	(obj_t __user*)(u);
10
11	(obj_t*)(v);
12	(obj_t __user*)(v);
13
14	(ulong)(o);
15	(void *)(o);
16	(obj_t*)(o);
17	(obj_t __user*)(o);
18
19	(ulong)(p);		// w!
20	(void *)(p);		// w
21	(obj_t*)(p);		// w
22	(obj_t __user*)(p);	// ok
23}
24
25/*
26 * check-name: Waddress-space-strict
27 * check-command: sparse -Wcast-from-as -Wcast-to-as $file
28 *
29 * check-error-start
30Waddress-space-strict.c:12:10: warning: cast adds address space '<asn:1>' to expression
31Waddress-space-strict.c:17:10: warning: cast adds address space '<asn:1>' to expression
32Waddress-space-strict.c:19:10: warning: cast removes address space '<asn:1>' of expression
33Waddress-space-strict.c:20:10: warning: cast removes address space '<asn:1>' of expression
34Waddress-space-strict.c:21:10: warning: cast removes address space '<asn:1>' of expression
35 * check-error-end
36 */
37