From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f200.google.com (mail-qt0-f200.google.com [209.85.216.200]) by kanga.kvack.org (Postfix) with ESMTP id 4D0F76B0276 for ; Wed, 2 Nov 2016 15:34:09 -0400 (EDT) Received: by mail-qt0-f200.google.com with SMTP id p16so10706608qta.5 for ; Wed, 02 Nov 2016 12:34:09 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id w77si1938432qkb.46.2016.11.02.12.34.08 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Nov 2016 12:34:08 -0700 (PDT) From: Andrea Arcangeli Subject: [PATCH 03/33] userfaultfd: convert BUG() to WARN_ON_ONCE() Date: Wed, 2 Nov 2016 20:33:35 +0100 Message-Id: <1478115245-32090-4-git-send-email-aarcange@redhat.com> In-Reply-To: <1478115245-32090-1-git-send-email-aarcange@redhat.com> References: <1478115245-32090-1-git-send-email-aarcange@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: linux-mm@kvack.org, Michael Rapoport , "Dr. David Alan Gilbert"@v2.random, " , Mike Kravetz , Shaohua Li , Pavel Emelyanov "@v2.random 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 501784e..5a1c3cf 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -539,7 +539,8 @@ 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