From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.19 05/73] scsi: vmw_pscsi: Rearrange code to avoid multiple calls to free_irq during unload Date: Wed, 12 Dec 2018 23:27:30 -0500 Message-ID: <20181213042838.75160-5-sashal@kernel.org> References: <20181213042838.75160-1-sashal@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20181213042838.75160-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Cathy Avery , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org List-Id: linux-scsi@vger.kernel.org From: Cathy Avery [ Upstream commit 02f425f811cefcc4d325d7a72272651e622dc97e ] Currently pvscsi_remove calls free_irq more than once as pvscsi_release_resources and __pvscsi_shutdown both call pvscsi_shutdown_intr. This results in a 'Trying to free already-free IRQ' warning and stack trace. To solve the problem pvscsi_shutdown_intr has been moved out of pvscsi_release_resources. Signed-off-by: Cathy Avery Reviewed-by: Ewan D. Milne Reviewed-by: Dan Carpenter Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/vmw_pvscsi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 0cd947f78b5b..890b8aaf95e1 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -1202,8 +1202,6 @@ static void pvscsi_shutdown_intr(struct pvscsi_adapter *adapter) static void pvscsi_release_resources(struct pvscsi_adapter *adapter) { - pvscsi_shutdown_intr(adapter); - if (adapter->workqueue) destroy_workqueue(adapter->workqueue); @@ -1535,6 +1533,7 @@ static int pvscsi_probe(struct pci_dev *pdev, const struct pci_device_id *id) out_reset_adapter: ll_adapter_reset(adapter); out_release_resources: + pvscsi_shutdown_intr(adapter); pvscsi_release_resources(adapter); scsi_host_put(host); out_disable_device: @@ -1543,6 +1542,7 @@ static int pvscsi_probe(struct pci_dev *pdev, const struct pci_device_id *id) return error; out_release_resources_and_disable: + pvscsi_shutdown_intr(adapter); pvscsi_release_resources(adapter); goto out_disable_device; } -- 2.19.1