x86/signals: Add build-time checks to the siginfo compat code

[cascardo/linux.git] / kernel / exit.c

diff --git a/kernel/exit.c b/kernel/exit.c
index 44fbe6e..9e6e135 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1535,7 +1535,8 @@ SYSCALL_DEFINE5(waitid, int, which, pid_t, upid, struct siginfo __user *,
        enum pid_type type;
        long ret;
 
-       if (options & ~(WNOHANG|WNOWAIT|WEXITED|WSTOPPED|WCONTINUED))
+       if (options & ~(WNOHANG|WNOWAIT|WEXITED|WSTOPPED|WCONTINUED|
+                       __WNOTHREAD|__WCLONE|__WALL))
                return -EINVAL;
        if (!(options & (WEXITED|WSTOPPED|WCONTINUED)))
                return -EINVAL;