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 <mini...@googlemail.com>
---
arch/x86/include/asm/vdso.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h
index bb05228..fddb53d 100644
--- a/arch/x86/include/asm/vdso.h
+++ b/arch/x86/include/asm/vdso.h
@@ -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
--
1.7.10.4
--
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