From nobody Mon Feb 9 06:08:32 2026 Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7CB0D32E144; Wed, 7 Jan 2026 10:41:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.181.97.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767782516; cv=none; b=VDrYy3XLUGb8Jz3LsmAZNeyrXkYzd1tqU8xt+cbq+2yAO5PIjucLa0/Dy/isS/eFHZCuK5jYZZpm3uDgNzUuq+bvMkTGpnyk06T5ti338Wfve77AmNqz0Y3qg42b2KQT7z5wtfTOub8Lk802HfPohQeIDc2IV3LJmP0B7elIVJE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767782516; c=relaxed/simple; bh=hxEAwiXPiLra0qei2/9MeDGrDIPKlKc03052nvMFF0c=; h=Message-ID:Date:MIME-Version:To:From:Subject:Content-Type; b=KjSuKyJBpR7+Tefua7ErqGL/29EVVlHjaGK0mXfMj/vfAQ3gmK8hD6ylp1uqar8pEOwdhw6EhRJoyYqz1kgXuQQHNJV7VXz8+IrgXMoKG1Z7XKQJ0Mr4yVKtxTV/JTQ4OT8euyz8qSRkp5WKj//0H+74IasRgvoFQ7a7szCqwKM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=I-love.SAKURA.ne.jp; spf=pass smtp.mailfrom=I-love.SAKURA.ne.jp; arc=none smtp.client-ip=202.181.97.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=I-love.SAKURA.ne.jp Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=I-love.SAKURA.ne.jp Received: from www262.sakura.ne.jp (localhost [127.0.0.1]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 607AfhAw090713; Wed, 7 Jan 2026 19:41:44 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from [192.168.1.10] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 607AfhFV090709 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Wed, 7 Jan 2026 19:41:43 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: Date: Wed, 7 Jan 2026 19:41:43 +0900 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: Jens Axboe , Raphael Pinsonneault-Thibeault , Jan Kara , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org From: Tetsuo Handa Subject: [PATCH] loop: add missing bd_abort_claiming in loop_set_status Content-Transfer-Encoding: quoted-printable X-Anti-Virus-Server: fsav304.rs.sakura.ne.jp X-Virus-Status: clean Content-Type: text/plain; charset="utf-8" Commit 08e136ebd193 ("loop: don't change loop device under exclusive opener in loop_set_status") forgot to call bd_abort_claiming() when mutex_lock_killable() failed. Fixes: 08e136ebd193 ("loop: don't change loop device under exclusive opener= in loop_set_status") Signed-off-by: Tetsuo Handa --- Since that commit for some reason calls loop_reread_partitions() when bd_prepare_to_claim() failed, this patch calls loop_reread_partitions() when mutex_lock_killable() failed after bd_abort_claiming()... Maybe we should return as soon as possible? drivers/block/loop.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index ca74cc31bf07f..bd59c0e9508b7 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1245,7 +1245,8 @@ loop_set_status(struct loop_device *lo, blk_mode_t mo= de, =20 err =3D mutex_lock_killable(&lo->lo_mutex); if (err) - return err; + goto out_abort_claiming; + if (lo->lo_state !=3D Lo_bound) { err =3D -ENXIO; goto out_unlock; @@ -1284,6 +1285,7 @@ loop_set_status(struct loop_device *lo, blk_mode_t mo= de, } out_unlock: mutex_unlock(&lo->lo_mutex); +out_abort_claiming: if (!(mode & BLK_OPEN_EXCL)) bd_abort_claiming(bdev, loop_set_status); out_reread_partitions: --=20 2.47.3