Commit 55b2662e authored Aug 04, 2020 by Stafford Horne

openrisc: uaccess: Add user address space check to access_ok



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>

parent d9959664

arch/openrisc/include/asm/uaccess.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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)); \
		})

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