From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932882AbcDKN2F (ORCPT ); Mon, 11 Apr 2016 09:28:05 -0400 Received: from mx2.suse.de ([195.135.220.15]:37653 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932612AbcDKNYX (ORCPT ); Mon, 11 Apr 2016 09:24:23 -0400 X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Aaro Koskinen , Brian Norris , Jiri Slaby Subject: [PATCH 3.12 95/98] mtd: onenand: fix deadlock in onenand_block_markbad Date: Mon, 11 Apr 2016 15:23:37 +0200 Message-Id: X-Mailer: git-send-email 2.8.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Aaro Koskinen 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit 5e64c29e98bfbba1b527b0a164f9493f3db9e8cb upstream. Commit 5942ddbc500d ("mtd: introduce mtd_block_markbad interface") incorrectly changed onenand_block_markbad() to call mtd_block_markbad instead of onenand_chip's block_markbad function. As a result the function will now recurse and deadlock. Fix by reverting the change. Fixes: 5942ddbc500d ("mtd: introduce mtd_block_markbad interface") Signed-off-by: Aaro Koskinen Acked-by: Artem Bityutskiy Signed-off-by: Brian Norris Signed-off-by: Jiri Slaby --- drivers/mtd/onenand/onenand_base.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index b3f41f200622..0f13fd4748ec 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -2610,6 +2610,7 @@ static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) */ static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs) { + struct onenand_chip *this = mtd->priv; int ret; ret = onenand_block_isbad(mtd, ofs); @@ -2621,7 +2622,7 @@ static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs) } onenand_get_device(mtd, FL_WRITING); - ret = mtd_block_markbad(mtd, ofs); + ret = this->block_markbad(mtd, ofs); onenand_release_device(mtd); return ret; } -- 2.8.1