From nobody Tue Jun 9 01:01:18 2026 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DC19233939; Mon, 25 May 2026 07:18:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779693518; cv=none; b=B0bGXJ4U02H5DjoEU/t3eEwaNEJ5P7BRrb2786j695j+XbqOE3G9q989lt00SbXt/5GgkP0RZlnLHS6i3mL1hx+t/za4Z4luHyPGlu14LJgPxcB8d2so/EvWKfs3ADW5HyTpy8d2XHOCIeQ15nbOsxFzb29/EhkOUnb+2xfuVCc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779693518; c=relaxed/simple; bh=akn4ON0uCfdVlUGWPZDoAVoplEsl7g9tJUzuN7+Kn5s=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=QN4uVWzN03RmEV4W7LfryQiu5j1VNXkpluNuoOxhrTtrOMkE0gReDWFrkApPVfTs4o8e6N1A7Km6oEiMfenMs7XoP8hwlEAu4Btiz/Q4tUweB+IPkE9QMH3rhy5PIeysh7xaA0ASwnNhFDzG1YvQJU1KW4rOQ9HNYSGsmzVutOY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from localhost.localdomain (unknown [36.112.3.223]) by APP-01 (Coremail) with SMTP id qwCowABnCWW79xNqn_iHEQ--.145S2; Mon, 25 May 2026 15:18:19 +0800 (CST) From: Haoxiang Li To: skashyap@marvell.com, GR-QLogic-Storage-Upstream@marvell.com, jhasan@marvell.com, James.Bottomley@HansenPartnership.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] scsi: bnx2fc: Unmap SG list when BD list setup fails Date: Mon, 25 May 2026 15:18:18 +0800 Message-Id: <20260525071818.341-1-lihaoxiang@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.25.1 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 X-CM-TRANSID: qwCowABnCWW79xNqn_iHEQ--.145S2 X-Coremail-Antispam: 1UD129KBjvdXoWrZFW8Kw45Cw15Jw4kGr1xXwb_yoWDXrgEkw sxX34xJry2qr9Fkr1j9rZ5Z34Yv347Xr1v9F1Y93yFyw4rXFy7ZrWYyrZ5AF1DWw47GFn8 Ja4SqF9FkrsxWjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb48FF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr 1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r1q 6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI 0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y 0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1l IxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbGQ6JUUUU U== X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiBg0SE2oT5mJF2gAAso Content-Type: text/plain; charset="utf-8" bnx2fc_map_sg() maps the SCSI SG list. If bd_count is larger than BNX2FC_FW_MAX_BDS_PER_CMD, SG list should be unmapped. Call bnx2fc_unmap_sg_list() to unmap the SG list from this error path. Fixes: 3c97b569505f ("scsi: bnx2fc: Limit the IO size according to the FW c= apability") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- drivers/scsi/bnx2fc/bnx2fc_io.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_i= o.c index 33057908f147..5429f127c5b8 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -1718,6 +1718,7 @@ static int bnx2fc_build_bd_list_from_sg(struct bnx2fc= _cmd *io_req) if (bd_count > BNX2FC_FW_MAX_BDS_PER_CMD) { pr_err("bd_count =3D %d exceeded FW supported max BD(255), task_id =3D 0= x%x\n", bd_count, io_req->xid); + bnx2fc_unmap_sg_list(io_req); return -ENOMEM; } =20 --=20 2.25.1