From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A49A837D13C for ; Tue, 17 Mar 2026 17:54:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773770055; cv=none; b=ZS9kdhI73C76TNA5VhlGvYKwSsjzRUnJdWWm42fYf3lsBGj0v9wRFGxdzoJXLbtT5LgFiA9xh4JTXLwfAynLFcQe2s2JFABCLjfg0PHG0VBawEnW7mzf/cNtOAphnRz4iTtX1Aw/voFijstAjbLXSGbrWADpNDcOWH3SSLKVSdk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773770055; c=relaxed/simple; bh=ruIqLIIx2iGJnMc+7W2TQcYdCoE6aPYbiNA8GrvgNQk=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References; b=h1+/IJ3anQEFjzh8Noyrjv2HqGajSE1GqI61JBCyMzdBxUwxOKIaUnnmvDhtzyVlUbsCNo7CxfdvsZVReoInKn7X/mUjNJQ8PodrA0ZtLbk58E+eSi8W5De0Btb6HRgmkZc+sTsWUFpBF7hZhFzwPcFbanhGQ3wB1NuwUDIGyKs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=enHYosPF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="enHYosPF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C92CC2BC86; Tue, 17 Mar 2026 17:54:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773770055; bh=ruIqLIIx2iGJnMc+7W2TQcYdCoE6aPYbiNA8GrvgNQk=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=enHYosPFlQSncl+EfqrFa/A1x2KfuEdZQN7QEy/+CUs7h0a4/KWYwHKBYXtzH2YQN gAwZw5la5sPw3ZMxD3/OQqqlo3LK7bV/GEguJlTBsUaaDKepb2Uo8Vh2yqP54CduX+ 4PdnprvK7UgeDvV1gsnjBSY5kvvjgvIT6OYEJY1RUHQboUZV+EVxyPHzT6I/m8oBQa dKgrZKYFkxKpqVEwEtK585GZjQ+NfChOpHMoBNOu8VzxGSMDmLXoc/yEAWI1rb3t33 9QlM6KXmV53nmBi2Vpjc13KjSC8/DCQ9v3XkIDDe8xJapMx075qEFvp1dpTNqnVm4/ vVtwQC7V/VZ+A== Date: Tue, 17 Mar 2026 07:54:14 -1000 Message-ID: From: Tejun Heo To: baichen Cc: linux-kernel@vger.kernel.org, Lai Jiangshan Subject: Re: [PATCH] workqueue: check for NULL wq in queue_delayed_work_on() In-Reply-To: <20260316180300.66423-1-ttdxba@gmail.com> References: <20260316180300.66423-1-ttdxba@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hello, Calling workqueue APIs with a NULL wq is always a caller bug and adding NULL checks to all APIs isn't the right approach. The WARN was there as a debug aid but it doesn't actually prevent the crash, so it's misleading. I'm removing it instead. Thanks. -- tejun