diff options
| author | Mathias Krause <minipli@googlemail.com> | 2012-09-03 01:31:41 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-09-05 12:52:23 +0400 |
| commit | 3d1334064fb365ea8f299874c2b4c46de2bee74d (patch) | |
| tree | 6b49a371a4045acb696ccac430f210224e2c4020 /arch/x86 | |
| parent | f00026276ace77dcad1cdf17f696ae4e56e12ee6 (diff) | |
| download | linux-3d1334064fb365ea8f299874c2b4c46de2bee74d.tar.xz | |
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>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/vdso.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h index bb0522850b74..fddb53d63915 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 |