From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F929C43215 for ; Fri, 22 Nov 2019 06:14:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1E44320730 for ; Fri, 22 Nov 2019 06:14:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DWQreYw2"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="glWowHmW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E44320730 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Wv5Knjuff6AqWQYDCHgdc8m48DE58bVqOzRIGG2Ui1s=; b=DWQreYw2nse1Lg Y26DtexWwB4eXy42HLeX8xEhYi26nRn1XnB5tX0d7jA7QF5tFjxEUXjyQgjIU21kMHBXOIX8Ia5hY TlEhrDjQj7rm0DD3TvKu/ucKfkVb2SPS5RS7zNv2p+kQrauv9B6SUcoz8EfNO8AyQ9kVhIpixqGBN /OWBICfp4sxD3IyoIq+O1IG34hp041Z3NDWuz1gKJdvx67GptUKgx4Rpk758kO+PF7L3Y5hRaTO3Q NZ87l/tT4o6jsYYxRj5q/xtVLql7kMkd4zd9S53EqCAPDarrD6GO8LufHSkjc0+oM4M7ghNNIJLVz 3OtykdxLzfbLhU/dznfw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iY2Cp-0000aV-C9; Fri, 22 Nov 2019 06:14:11 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iY2Bz-0008NJ-4b for linux-mtd@lists.infradead.org; Fri, 22 Nov 2019 06:13:21 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F230F2070E; Fri, 22 Nov 2019 06:13:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574403198; bh=5/TVwNIqOMPC0hJD8mcKohuZlGI+alU8s9sJLiAANV8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=glWowHmWoPwr5GpL1UiKPGWhPEB3PvynSu8Ld6xbZsBBxXxo2+mGqwJ3GvqZtIeWP 3xgMdiAm/TQG8fnz9JXpCGPAGtNgxrOFmoAeaz3kApyVcxtK7dHwOSp1WCd5WAJAWC JFQa1+1+Qu7TXZIU4SlTGrbfd2zatNAEahMvqWAM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 15/68] ubi: Put MTD device after it is not used Date: Fri, 22 Nov 2019 01:12:08 -0500 Message-Id: <20191122061301.4947-14-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191122061301.4947-1-sashal@kernel.org> References: <20191122061301.4947-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191121_221319_221431_D4E0D497 X-CRM114-Status: GOOD ( 11.21 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Boris Brezillon , Pan Bian , linux-mtd@lists.infradead.org, Richard Weinberger Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org From: Pan Bian [ Upstream commit b95f83ab762dd6211351b9140f99f43644076ca8 ] The MTD device reference is dropped via put_mtd_device, however its field ->index is read and passed to ubi_msg. To fix this, the patch moves the reference dropping after calling ubi_msg. Signed-off-by: Pan Bian Reviewed-by: Boris Brezillon Signed-off-by: Richard Weinberger Signed-off-by: Sasha Levin --- drivers/mtd/ubi/build.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index c9f5ae424af75..ae8e55b4f6f93 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -1141,10 +1141,10 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway) ubi_wl_close(ubi); ubi_free_internal_volumes(ubi); vfree(ubi->vtbl); - put_mtd_device(ubi->mtd); vfree(ubi->peb_buf); vfree(ubi->fm_buf); ubi_msg(ubi, "mtd%d is detached", ubi->mtd->index); + put_mtd_device(ubi->mtd); put_device(&ubi->dev); return 0; } -- 2.20.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/