x86/vdso: Add __user annotation to VDSO32_SYMBOL

The address calculated by VDSO32_SYMBOL() is a pointer into
userland. Add the __user annotation to fix related sparse
warnings in its users.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Andy Lutomirski <luto@MIT.EDU>
Link: http://lkml.kernel.org/r/1346621506-30857-3-git-send-email-minipli@googlemail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Mathias Krause 2012-09-02 23:31:41 +02:00 committed by Ingo Molnar
parent f00026276a
commit 3d1334064f

View File

@ -11,7 +11,8 @@ extern const char VDSO32_PRELINK[];
#define VDSO32_SYMBOL(base, name) \
({ \
extern const char VDSO32_##name[]; \
(void *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \
(void __user *)(VDSO32_##name - VDSO32_PRELINK + \
(unsigned long)(base)); \
})
#endif