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| author | Stafford Horne <shorne@gmail.com> | 2020-08-04 03:41:54 +0200 |
|---|---|---|
| committer | Stafford Horne <shorne@gmail.com> | 2020-08-09 00:57:21 +0200 |
| commit | 55b2662ec665cc8b592809a011fe807b05370ab8 (patch) | |
| tree | abfebce45160da87e2aecb2619feb393694fa4e1 /arch/openrisc | |
| parent | openrisc: signal: Fix sparse address space warnings (diff) | |
| download | linux-55b2662ec665cc8b592809a011fe807b05370ab8.tar.xz linux-55b2662ec665cc8b592809a011fe807b05370ab8.zip | |
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>
Diffstat (limited to 'arch/openrisc')
| -rw-r--r-- | arch/openrisc/include/asm/uaccess.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index 85a55359b244..7c5892f56765 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -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)); \ }) |