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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e21-20020a50fb95000000b0051de4432748si5092099edq.478.2023.07.12.07.24.41; Wed, 12 Jul 2023 07:25:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@bootlin.com header.s=gm1 header.b=DsmhjPNx; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=bootlin.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233005AbjGLOO1 (ORCPT + 99 others); Wed, 12 Jul 2023 10:14:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232979AbjGLOO0 (ORCPT ); Wed, 12 Jul 2023 10:14:26 -0400 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE1051BEA for ; Wed, 12 Jul 2023 07:14:16 -0700 (PDT) Received: by mail.gandi.net (Postfix) with ESMTPSA id 8A36060016; Wed, 12 Jul 2023 14:14:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1689171255; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wrX5+Xt3jD73MWezAMWISqvmWFhWEE1LiE9fY/yhD8A=; b=DsmhjPNxwlxrzvnl0fQ/M/idjtnbpdM9HhDp9KacOexRe6OJWef2G1kNP9zj8X/fmRw8j4 KbNXOTykVLax5b7BbaHJ0wLGqtezXorbeAFu2wOtM3tRgZ7XFkn2eidBMbB5X/oF+gaf38 otHCYzFzp7b8kqLHTwJ0P9/1aBY5792bvTyQGu4bWrnjlt93dIvi8aRBRZvlWOPGzcqb0Q LZKSRnlt+sL+ZcXHp4owp662oSPxJyX3iOaEwWlkpYt4yujMjt45YgYbAPLmnsqohKeEDz 0fNzdkXW1cBT5GD7kfKisPj+ySbENorxMXSm4YWj/cBRr444HvvWMmchumMXQQ== From: Miquel Raynal To: Alexander Usyskin , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Tomas Winkler , Vitaly Lubart , Andy Shevchenko Subject: Re: [PATCH 1/2] mtd: use refcount to prevent corruption Date: Wed, 12 Jul 2023 16:14:01 +0200 Message-Id: <20230712141401.354961-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230620131905.648089-2-alexander.usyskin@intel.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: b'19bfa9ebebb5ec0695def57eb1d80de7e9cab369' Content-Transfer-Encoding: 8bit X-GND-Sasl: miquel.raynal@bootlin.com X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_PASS, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2023-06-20 at 13:19:04 UTC, Alexander Usyskin wrote: > From: Tomas Winkler > > When underlying device is removed mtd core will crash > in case user space is holding open handle. > Need to use proper refcounting so device is release > only when has no users. > > Signed-off-by: Tomas Winkler > Signed-off-by: Alexander Usyskin Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks. Miquel