From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f198.google.com (mail-io0-f198.google.com [209.85.223.198]) by kanga.kvack.org (Postfix) with ESMTP id 1A7646B0268 for ; Fri, 16 Dec 2016 09:48:26 -0500 (EST) Received: by mail-io0-f198.google.com with SMTP id y124so92848046iof.4 for ; Fri, 16 Dec 2016 06:48:26 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id 139si2959212itj.34.2016.12.16.06.48.24 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 16 Dec 2016 06:48:24 -0800 (PST) From: Andrea Arcangeli Subject: [PATCH 03/42] userfaultfd: convert BUG() to WARN_ON_ONCE() Date: Fri, 16 Dec 2016 15:47:42 +0100 Message-Id: <20161216144821.5183-4-aarcange@redhat.com> In-Reply-To: <20161216144821.5183-1-aarcange@redhat.com> References: <20161216144821.5183-1-aarcange@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, Andrew Morton Cc: Michael Rapoport , "Dr. David Alan Gilbert" , Mike Kravetz , Pavel Emelyanov , Hillf Danton Avoid BUG_ON()s and only WARN instead. This is just a cleanup, it can't make any runtime difference. This BUG_ON has never triggered and cannot trigger. Signed-off-by: Andrea Arcangeli --- fs/userfaultfd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 6ec08a9..4edbd99 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -541,7 +541,8 @@ static unsigned int userfaultfd_poll(struct file *file, poll_table *wait) ret = POLLIN; return ret; default: - BUG(); + WARN_ON_ONCE(1); + return POLLERR; } } -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org