diff options
Diffstat (limited to 'include/linux/kernel.h')
| -rw-r--r-- | include/linux/kernel.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 31ae66f34235..95624bed87ef 100644 --- 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 |