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openrisc: uaccess: Add user address space check to access_ok

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Now that __user annotations are fixed for openrisc uaccess api's we can
add checking to the access_ok macro.  This patch adds the __chk_user_ptr
check, on normal builds the added check is a nop.

Signed-off-by: Stafford Horne <shorne@gmail.com>
Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
This commit is contained in:
Stafford Horne 2020-08-04 10:41:54 +09:00
parent d99596645f
commit 55b2662ec6
1 changed files with 1 additions and 0 deletions
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arch/openrisc/include/asm/uaccess.h
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@ -57,6 +57,7 @@ static inline int __range_ok(unsigned long addr, unsigned long size)
#define access_ok(addr, size) \
({ \
__chk_user_ptr(addr); \
__range_ok((unsigned long)(addr), (size)); \
})