From nobody Thu Sep 24 23:33:22 2026 Received: from mail-pj2-f12.google.com (mail-pj2-f12.google.com [74.125.227.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B387051814C for ; Fri, 18 Sep 2026 17:10:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.227.140 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789751451; cv=none; b=uqauhJQDodY3Y7jo6b/AfJMOag1kaP6/2Qh5TnBY9mgYgmXYCYRCOOf1ky0gQWU6VdhKOFLvmx49UKm5OZRLA2OkYFI9wqiUGyVaKgCIvnWXWB81AvzOgNgVKlMGVy9Y4ZEFDkrOje/cIs+Ixz0tR603VOKBZjuAoKSYcAJSl9w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789751451; c=relaxed/simple; bh=ucvUi70zYMSNKdpB5M9U4/0JPwWH9o5vYxQ/RxH4z38=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=oDoaynh6GRK5HNJdaoldZ1wfvZ1cwnu0ycN+o9IIdwsk65BRZB/bv2Id/OLbjxcRbIHAFOWsKxzbrLH+n1iPqqhqVbiviHqivvuzlhDqRT+gecguEZRIwfviPVLbi6c7CdKczZrqDQsDNXYZjs/X4Gl364QzMq3oLcsXPFM46ls= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=X/3Gfra/; arc=none smtp.client-ip=74.125.227.140 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="X/3Gfra/" Received: by mail-pj2-f12.google.com with SMTP id d9443c01a7336-2db18fe459dso6409325ad.3 for ; Fri, 18 Sep 2026 10:10:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1789751449; x=1790356249; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=tVg6kTrkQkmUGuiks//D1y2XA3XKuOl8NQNCerU5SkU=; b=X/3Gfra/nivtqCsk6pHkyBPJoOHZb/Q9AOv7S6Hz/RqNjy5ZMpa5/+iO3h7rf4z+Ju ZIFrygxxDdPld07CBab3jooOq3WZxvbF+2jNXSn1ARddELHeUEKcQX8tN6VPKr6t2ALx PiChhSnA13tlFokZqEf3jAQQXf8/NbAwSyoYRYQ06cutbgmM+elE4ONIem79UpfmvrSs Ob+2t24gYN0gj7wpOKRKgtkHDRxBOYIK1Jr3ovEGuHoZzhMyvVMAzlqE+EP9bQ15b6o+ krVk5SIJwS+TwilOmWhDACDpW0MeJEibgBVhdtksZLGuctSJVwWbymsMmq70yUJ4WZxX M6Mw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789751449; x=1790356249; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=tVg6kTrkQkmUGuiks//D1y2XA3XKuOl8NQNCerU5SkU=; b=rt5ZWM8gaEZEV4+/0884ppH6GjH1Ta4rdMggBpvDhAGF2x3V3c9LXnF6AvlUkS0CuB 1emUpIMdgn5kgK0lC9R/6P6vyTTMJuoly2XqHLUI/zwXlcA/QP/voAK7iVe2QDMaQ0OA teng6XaTlV1+XhyNkNV5am3hGAmdokxTLEUGGvTbMeHVA3d849qF9+/BM5pRKIl6pPMx kymLH2Td/9ORWLgrLwbfwFQVGXOpEc31k7GmhTkl1EzDsP7UHFch2qiYpekM6R0cVWT7 CkhiGVJVqg53lCdq3VQ61ltrFI/Xa8bRpFFigA57txCpD7GYb+yLLwQopJn5VXbq7zFh R1zw== X-Forwarded-Encrypted: i=1; AKwUvBx5pH7dBFKGO+6irmfg5O7Iq6V2kvScdrSlCNxppv0W4Fn2W8iAZ2cn59h6p31kMrqqKmNX4nQ/VCg1kpE=@vger.kernel.org X-Gm-Message-State: AFuF++k7axWlyakKjY0HsZRcXXM7+f+mEUp2DMJ3vYWVh+aiLVor2esJ Fwwa6Yg03/dfwPgBkVbdJOklt0URqbfd4A7ZaedvUIOJD0xXK7/+hxPw X-Gm-Gg: AYBFou01knyTVGE47epRQX3EcshkO+CwG4TPm2Re0aoU2jSJS/V0tXBs9PMSJBsvCl8 IOTvvuBLbwv1W3kIcDml9eBzrhiU2KRLVyXduhE06KbakUOs0wwx2EeaD0abj3XbcixA9H0XvPm n5KLMmntH7DBQzpMbCLRM3yYD7XbnRkRk6nIGX4QFz+LT5MzjuxxGqoXWwh0i4WAEk7Y/TJYMKc BbiOzPYwOQ798BBiA/+4krRGxzLwLfPU4IUpcd9KbhL4neuk3WYLIuvzKsaO4vLmoSdPJDwbIOM watcBe1DsZUc2zcK7NIykZSQE2ZKZZjwdXLVzyVc7riyTGjZZCSmMiz2FNYyS9aw6np52XDq8Hw DmpkycKefHV6lYVFgm/CrLp2WeNgPrFR8jokHMYoYyz8JXdRanzLHHyoCL2aOOr32wS8e+PzqrG yy00JFo/33CtD8vIb5xxWXr86xcwQeXLTt5VOzJtwafgHgCEW6Nphzug== X-Received: by 2002:a17:903:1446:b0:2dd:c100:4b7a with SMTP id d9443c01a7336-2ddc1005ecbmr3691105ad.49.1789751448786; Fri, 18 Sep 2026 10:10:48 -0700 (PDT) Received: from lgs.. ([2001:250:5800:1002::de93]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ddb75b6552sm11775625ad.61.2026.09.18.10.10.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Sep 2026 10:10:48 -0700 (PDT) From: Guangshuo Li To: "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Guangshuo Li , stable@vger.kernel.org Subject: [PATCH] scsi: lasi700: put SCSI host on remove Date: Sat, 19 Sep 2026 01:10:38 +0800 Message-ID: <20260918171038.3588395-1-lgs201920130244@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" lasi700_probe() obtains a SCSI host through NCR_700_detect(). The probe failure path drops the host reference with scsi_host_put(), but the normal remove path does not perform the corresponding cleanup. As a result, the SCSI host reference remains allocated after the driver is removed. Call scsi_host_put() after all users of the SCSI host have been torn down to release the reference acquired during probe. This issue was found by manual code inspection. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Guangshuo Li --- drivers/scsi/lasi700.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c index 6d1fb55cc3ad..1b4982cde210 100644 --- a/drivers/scsi/lasi700.c +++ b/drivers/scsi/lasi700.c @@ -146,6 +146,7 @@ lasi700_driver_remove(struct parisc_device *dev) free_irq(host->irq, host); iounmap(hostdata->base); kfree(hostdata); + scsi_host_put(host); } =20 static struct parisc_driver lasi700_driver __refdata =3D { --=20 2.43.0