From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3303463-1521214437-2-12319437680463636659 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 0.25, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, 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=1521214436; b=PBxYV3dLmfHiZdvhGHysg8X2agHEMsElYpMd6tQHtzlQz9J RtzVnhDSWg/qnAUM7MCTSMYECED32lVGBTZIpnTzFZxZN1oAyc75nV9C++sdNGYO vibOo93XjvOGmDLItWm9gaPGvn89ThY/BTaalBSqjeIulAMFgvB7VHBdOo+uOYvN 32Hqfb4K0FIca0WcOKuLSIkkp/1ALtX8tnvAgDzodf6/93V4HR8lQsb5FKgOLq3g +Zbtz5nckmdzndGRBHyiDBbq1A+Lu002GHFP/t7rPfCJKau/GsQsFCIlrhrMgpX1 7/yUUMUpROfnCP7uifK1PPFShBM113hedA3EP5A== 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=1521214436; bh=pWxfpzG92kekcMdQ3WTpout11w 7zKxG8vRswLHot94k=; b=KijYhFa6NiLxxXDdxH8gxCg4kd07r2MR1tnlF2EEVe DX1k01Cloqeo/cYyQ69WSLC2jJt18q4XAbOogSbvamMmOOvp2x4OBRjFjCUhLpoR rehC/SeELoLaGsnT1Bk+bIBloWYx5WACejXWC3Ib5oJwN1T6Q9c/G1TpplpFB4Nr O6XZ7OGHCVruDBA4K+2onctJHKoKbsmo7XDLsK7nCzzR2Fp9Oa7Y/zJl+Bs+y3fu 1NQtgQHW0PaMmLovLeJ9Ych9fquioWbbFbFiKlwCHMt+FD0VMzvnqxpDCO4DcAUq q58QA7weZ7fTZFsvBB9A5VDCNFgEITpoE1DDPXTq9O8w== ARC-Authentication-Results: i=1; mx3.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-category=clean score=-100 state=0; 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: mx3.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-category=clean score=-100 state=0; 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 S933808AbeCPPdx (ORCPT ); Fri, 16 Mar 2018 11:33:53 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:39182 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933832AbeCPPdv (ORCPT ); Fri, 16 Mar 2018 11:33:51 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nikola Ciprich , Sebastian Andrzej Siewior , Johan Hovold Subject: [PATCH 4.9 84/86] serial: core: mark port as initialized in autoconfig Date: Fri, 16 Mar 2018 16:23:47 +0100 Message-Id: <20180316152322.993784908@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180316152317.167709497@linuxfoundation.org> References: <20180316152317.167709497@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: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior commit 714569064adee3c114a2a6490735b94abe269068 upstream. This is a followup on 44117a1d1732 ("serial: core: mark port as initialized after successful IRQ change"). Nikola has been using autoconfig via setserial and reported a crash similar to what I fixed in the earlier mentioned commit. Here I do the same fixup for the autoconfig. I wasn't sure that this is the right approach. Nikola confirmed that it fixes his crash. Fixes: b3b576461864 ("tty: serial_core: convert uart_open to use tty_port_open") Link: http://lkml.kernel.org/r/20180131072000.GD1853@localhost.localdomain Reported-by: Nikola Ciprich Tested-by: Nikola Ciprich Cc: Signed-off-by: Sebastian Andrzej Siewior Tested-by: Nikola Ciprich Acked-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/serial_core.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1135,6 +1135,8 @@ static int uart_do_autoconfig(struct tty uport->ops->config_port(uport, flags); ret = uart_startup(tty, state, 1); + if (ret == 0) + tty_port_set_initialized(port, true); if (ret > 0) ret = 0; }