Smatch complains about this: kernel/exit.c:543 forget_original_parent() warn: add some parenthesis here? I don't normally advocate changing the code to make the static checker happy but these are normally precedence bugs so I think it's ok to put parenthesis so it's clear the code is deliberate. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/kernel/exit.c b/kernel/exit.c index 6192422..1192d12 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -540,7 +540,7 @@ static void forget_original_parent(struct task_struct *father) list_for_each_entry(p, &father->children, sibling) { for_each_thread(p, t) { t->real_parent = reaper; - BUG_ON(!t->ptrace != (t->parent == father)); + BUG_ON((!t->ptrace) != (t->parent == father)); if (likely(!t->ptrace)) t->parent = t->real_parent; if (t->pdeath_signal) -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html