From mboxrd@z Thu Jan 1 00:00:00 1970 From: Akinobu Mita Subject: [PATCH v2 2/3] scsi: ufs: adjust module reference for scsi host Date: Wed, 7 Jan 2015 23:03:01 +0900 Message-ID: <1420639382-2219-3-git-send-email-akinobu.mita@gmail.com> References: <1420639382-2219-1-git-send-email-akinobu.mita@gmail.com> Return-path: Received: from mail-pa0-f51.google.com ([209.85.220.51]:64360 "EHLO mail-pa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753472AbbAGOD3 (ORCPT ); Wed, 7 Jan 2015 09:03:29 -0500 Received: by mail-pa0-f51.google.com with SMTP id ey11so5018076pad.10 for ; Wed, 07 Jan 2015 06:03:29 -0800 (PST) In-Reply-To: <1420639382-2219-1-git-send-email-akinobu.mita@gmail.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: Akinobu Mita , Vinayak Holikatti , Dolev Raviv , Sujit Reddy Thumma , Subhash Jadavani , Christoph Hellwig , "James E.J. Bottomley" While accessing a UFS device, the module reference count for core driver (ufshcd) is incremented but not incremented for the actual glue driver (ufshcd-pci or ufshcd-pltfrm). Because these drivers allocate scsi hosts with scsi_host_template defined in ufshcd module. So these drivers always can be unloaded. This fixes it by adjusting module reference after scsi host allocation. Signed-off-by: Akinobu Mita Cc: Vinayak Holikatti Cc: Dolev Raviv Cc: Sujit Reddy Thumma Cc: Subhash Jadavani Cc: Christoph Hellwig Cc: "James E.J. Bottomley" Cc: linux-scsi@vger.kernel.org --- No change from v1 drivers/scsi/ufs/ufshcd-pci.c | 1 + drivers/scsi/ufs/ufshcd-pltfrm.c | 1 + drivers/scsi/ufs/ufshcd.c | 1 - 3 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c index d15eaa4..9fe21b4 100644 --- a/drivers/scsi/ufs/ufshcd-pci.c +++ b/drivers/scsi/ufs/ufshcd-pci.c @@ -142,6 +142,7 @@ ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) return err; } + hba->host->module = THIS_MODULE; INIT_LIST_HEAD(&hba->clk_list_head); err = ufshcd_init(hba, mmio_base, pdev->irq); diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c index 95b64e0..ea3ca99 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.c +++ b/drivers/scsi/ufs/ufshcd-pltfrm.c @@ -322,6 +322,7 @@ static int ufshcd_pltfrm_probe(struct platform_device *pdev) goto out; } + hba->host->module = THIS_MODULE; hba->vops = get_variant_ops(&pdev->dev); err = ufshcd_parse_clock_info(hba); diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 2e26025..f0aff90 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -4202,7 +4202,6 @@ static void ufshcd_async_scan(void *data, async_cookie_t cookie) } static struct scsi_host_template ufshcd_driver_template = { - .module = THIS_MODULE, .name = UFSHCD, .proc_name = UFSHCD, .queuecommand = ufshcd_queuecommand, -- 1.9.1