Messages in this thread Patch in this message | | | From | Stafford Horne <> | Subject | [PATCH 6/6] openrisc: uaccess: Add user address space check to access_ok | Date | Tue, 4 Aug 2020 13:23:54 +0900 |
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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> --- arch/openrisc/include/asm/uaccess.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index 85a55359b244..53ddc66abb3f 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -57,7 +57,8 @@ static inline int __range_ok(unsigned long addr, unsigned long size) #define access_ok(addr, size) \ ({ \ - __range_ok((unsigned long)(addr), (size)); \ + __chk_user_ptr(addr); \ + __range_ok((__force unsigned long)(addr), (size)); \ }) /* -- 2.26.2
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