From nobody Mon Sep 28 08:47:41 2026 Received: from mail-m155101.qiye.163.com (mail-m155101.qiye.163.com [101.71.155.101]) (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 C217E374721; Mon, 24 Aug 2026 09:27:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=101.71.155.101 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787563650; cv=none; b=C17R4ppeNxX42lItN9tgbM6NdAok0+HScHFO8d9i6BTZkaZyg1Ujzbg/FwSsksU0usw76uINS90yYQy/83rsCKz7C49wej+VTamov0H2kXsY47rrSJDYmb03vzRv0rrnpt5Ft6zazMr82ynqzfiL0W+Fua6+P2F4v3WNtQFxM58= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787563650; c=relaxed/simple; bh=GRLX+6tso0vn1lN2knQF508zAkrd6TBT1uRvek18uXY=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=IwSWVaNOVq/Txt0c7WaVvetKCKuOPvbC8krgu3UwcqQbxoMioAlaiW3vwtO4ey32RqJAHPC6piR5kw757SjqIlEdU7X1JxIv0pZIEao1bVDZ9wcjei6pS5WwmjC1KoNR/IMM99sSEBOJUN8Mm/DPCbUmneiMLJOM8pkgxxTG72Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=seu.edu.cn; spf=pass smtp.mailfrom=seu.edu.cn; dkim=pass (1024-bit key) header.d=seu.edu.cn header.i=@seu.edu.cn header.b=iXgjOGyP; arc=none smtp.client-ip=101.71.155.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=seu.edu.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=seu.edu.cn Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=seu.edu.cn header.i=@seu.edu.cn header.b="iXgjOGyP" Received: from PC-202605011814.localdomain (unknown [222.191.246.242]) by smtp.qiye.163.com (Hmail) with ESMTP id 4b1541157; Mon, 24 Aug 2026 17:27:20 +0800 (GMT+08:00) From: Runyu Xiao To: Ketan Mukadam Cc: "James E . J . Bottomley" , "Martin K . Petersen" , Jitendra Bhivare , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Runyu Xiao , Jianhao Xu Subject: [PATCH] scsi: be2iscsi: use rollback index when freeing MSI-X vectors Date: Mon, 24 Aug 2026 17:27:12 +0800 Message-Id: <20260824092712.2130707-1-runyu.xiao@seu.edu.cn> X-Mailer: git-send-email 2.34.1 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-HM-Tid: 0aa0331887fe03a1kunmdc72b57b2214c8 X-HM-MType: 10 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWRgWCB1ZQUpXWS1ZQUlXWQ8JGhUIEh9ZQVkaSE1KVh0aSR5CHh9CTE5LTFYeHw 5VEwETFhoSFyQUDg9ZV1kYEgtZQVlJSUlVSkJKVUlPTVVJT0lZV1kWGg8SFR0UWUFZT0tIVUpLSE pPSExVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=iXgjOGyPfygRlHiQSz+ZIUrKnPcSTDfYC084Zb28FcDAjK21q7xqVLmwlpbazFAAVesq6VrqRVqbHk+X70ipasgMuJ82IVF+LEFff8cv96xAnRzBASHOg8BzzuGqiE4Feop/4WM2wSpGAnqPhG5kG6wCLoFIkCdMTLELKe6/+GY=; c=relaxed/relaxed; s=default; d=seu.edu.cn; v=1; bh=cpwwuB054qch+Bx3kSctzPH/R0KmOVsCcrE0n6wBU8M=; h=date:mime-version:subject:message-id:from; Content-Type: text/plain; charset="utf-8" beiscsi_init_irqs() unwinds previously registered MSI-X handlers with free_irq(pci_irq_vector(pcidev, i), &phwi_context->be_eq[j]). The IRQ number should match the rollback slot j, not the current loop index i. Using i passes the wrong IRQ/dev_id pair and leaves earlier handlers registered on failure. Use j for pci_irq_vector() in the rollback loop. Fixes: 831488669a33 ("scsi: be2iscsi: switch to pci_alloc_irq_vectors") Cc: stable@vger.kernel.org Assisted-by: OpenAI Codex Signed-off-by: Runyu Xiao --- drivers/scsi/be2iscsi/be_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_mai= n.c index dc88bc46dcc0..3801da1c0229 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -878,7 +878,7 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba) return 0; free_msix_irqs: for (j =3D i - 1; j >=3D 0; j--) { - free_irq(pci_irq_vector(pcidev, i), &phwi_context->be_eq[j]); + free_irq(pci_irq_vector(pcidev, j), &phwi_context->be_eq[j]); kfree(phba->msi_name[j]); } return ret; --=20 2.34.1