From f8b298cc39f0619544c607eaef09fd0b2afd10f3 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 17 Jun 2021 20:57:18 +0200 Subject: lockdep: Fix wait-type for empty stack Even the very first lock can violate the wait-context check, consider the various IRQ contexts. Fixes: de8f5e4f2dc1 ("lockdep: Introduce wait-type checks") Signed-off-by: Peter Zijlstra (Intel) Tested-by: Joerg Roedel Link: https://lore.kernel.org/r/20210617190313.256987481@infradead.org --- kernel/locking/lockdep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/locking/lockdep.c') diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 6ff1e8405a83..0584b2090084 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -4688,7 +4688,7 @@ static int check_wait_context(struct task_struct *curr, struct held_lock *next) u8 curr_inner; int depth; - if (!curr->lockdep_depth || !next_inner || next->trylock) + if (!next_inner || next->trylock) return 0; if (!next_outer) -- cgit v1.2.3