From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1330670-1519989356-2-5559311126063045592 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.249, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES daen, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519989355; b=ne8AL6iU/u/748iKWWp8LlmJAoPuqwHxNL94I4U3Ln14Pk6 raYUa36M7yO6mjZ8ylEFCVvs6/SNYPVMBZJX9kkk9E2aJ05Qa/9yriNI01/gO9mC vEcj1mmHuHQKY+0kBDPTwa/S5HlyCTLVtUCzF6W1uNjdRP+bJCwTxuhdoRGXgreW np5VglGo/bX0H0sOLJ87yv8GVz0F27Gi00ztzGE0qqXJG0XcRL3+DIsZT3fU/gK3 YkwwhqKjVfIzIfPTi58Bwmc/1wdKlzfXqlEUbuIdG+sdsqx6x9E6UCM6X4o2Z0RT oUJQ4TI+3fRJVhIBN8BI/DQxvT5le+KX78Re8zg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1519989355; bh=5rm078RSRaKz+5AAH1iubSLQT3 BITlZFbe4N7QTyHLs=; b=QI6GofQeoNarpBLiwYddnATWXugYCL0c6SDCAaszYO qIsj62lZjZ3bu45QsNsBkxkDUDGY1HlBJPy1MjIdoTDQm1D8/rBEJFlfQsmXF5xX DLZMHYgGyPc1P+GKxKfkPh+3jAaydLGZDTMHe8dalEkvNDJlrJc0JOevykvBa4e4 7xSnc5N4TE0O34QaAKKsfcsryBznGO+OukVczN9IKnoYPEHr/9RQzNAThGzmHPlE +NSbH4m2Y7weuWh28q97q8SmkF35F0M9x3PYL8ra5lKXtjcnwr7U1B5vA9MDl0Op uW1JwPdH+nuS/TOCBpRia5FFyzzfQGANiO73cHGDUb9w== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423382AbeCBIxv (ORCPT ); Fri, 2 Mar 2018 03:53:51 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:50214 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423321AbeCBIxt (ORCPT ); Fri, 2 Mar 2018 03:53:49 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Al Viro , Sasha Levin Subject: [PATCH 3.18 05/24] sget(): handle failures of register_shrinker() Date: Fri, 2 Mar 2018 09:51:02 +0100 Message-Id: <20180302084239.446610429@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180302084239.157503766@linuxfoundation.org> References: <20180302084239.157503766@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Al Viro [ Upstream commit 9ee332d99e4d5a97548943b81c54668450ce641b ] Signed-off-by: Al Viro Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- fs/super.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/fs/super.c +++ b/fs/super.c @@ -476,7 +476,11 @@ retry: hlist_add_head(&s->s_instances, &type->fs_supers); spin_unlock(&sb_lock); get_filesystem(type); - register_shrinker(&s->s_shrink); + err = register_shrinker(&s->s_shrink); + if (err) { + deactivate_locked_super(s); + s = ERR_PTR(err); + } return s; }