提交 f8acd944 编写于 作者: W William Lee Irwin III 提交者: Linus Torvalds

[PATCH] sparc32: silence access_ok() warnings

The fact that access_ok() doesn't use some of its arguments trips some
unused variable warnings.  This patch silences them permanently.
Signed-off-by: NWilliam Irwin <wli@holomorphy.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 beb9e1c3
......@@ -41,10 +41,11 @@
* No one can read/write anything from userland in the kernel space by setting
* large size and address near to PAGE_OFFSET - a fault will break his intentions.
*/
#define __user_ok(addr,size) ((addr) < STACK_TOP)
#define __user_ok(addr, size) ({ (void)(size); (addr) < STACK_TOP; })
#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
#define __access_ok(addr,size) (__user_ok((addr) & get_fs().seg,(size)))
#define access_ok(type,addr,size) __access_ok((unsigned long)(addr),(size))
#define access_ok(type, addr, size) \
({ (void)(type); __access_ok((unsigned long)(addr), size); })
/* this function will go away soon - use access_ok() instead */
static inline int __deprecated verify_area(int type, const void __user * addr, unsigned long size)
......
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