Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / include / linux / kernel.h

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 31ae66f34235e109361951a7c4b4759a45696207..95624bed87ef6f8c389e78621b628240bf408208 100644 (file)
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -845,5 +845,7 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
         /* User perms >= group perms >= other perms */                 \
         BUILD_BUG_ON_ZERO(((perms) >> 6) < (((perms) >> 3) & 7)) +     \
         BUILD_BUG_ON_ZERO((((perms) >> 3) & 7) < ((perms) & 7)) +      \
+        /* Other writable?  Generally considered a bad idea. */        \
+        BUILD_BUG_ON_ZERO((perms) & 2) +                               \
         (perms))
 #endif