2020-10-16 13:11:44

by Coiby Xu

[permalink] [raw]
Subject: [PATCH v3 3/8] staging: qlge: re-write qlge_init_device

Stop calling ql_release_all in qlge_init_device and free things one step
at a time.

Link: https://lore.kernel.org/patchwork/patch/1321092/#1516928
Suggested-by: Dan Carpenter <[email protected]>
Signed-off-by: Coiby Xu <[email protected]>
---
drivers/staging/qlge/qlge_main.c | 32 ++++++++++++++++++++------------
1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
index 888179fbf98c..c081aa1bb43d 100644
--- a/drivers/staging/qlge/qlge_main.c
+++ b/drivers/staging/qlge/qlge_main.c
@@ -4403,13 +4403,13 @@ static int qlge_init_device(struct pci_dev *pdev, struct qlge_adapter *qdev,
err = pcie_set_readrq(pdev, 4096);
if (err) {
dev_err(&pdev->dev, "Set readrq failed.\n");
- goto err_out1;
+ goto err_disable_pci;
}

err = pci_request_regions(pdev, DRV_NAME);
if (err) {
dev_err(&pdev->dev, "PCI region request failed.\n");
- return err;
+ goto err_disable_pci;
}

pci_set_master(pdev);
@@ -4425,7 +4425,7 @@ static int qlge_init_device(struct pci_dev *pdev, struct qlge_adapter *qdev,

if (err) {
dev_err(&pdev->dev, "No usable DMA configuration.\n");
- goto err_out2;
+ goto err_release_pci;
}

/* Set PCIe reset type for EEH to fundamental. */
@@ -4436,7 +4436,7 @@ static int qlge_init_device(struct pci_dev *pdev, struct qlge_adapter *qdev,
if (!qdev->reg_base) {
dev_err(&pdev->dev, "Register mapping failed.\n");
err = -ENOMEM;
- goto err_out2;
+ goto err_release_pci;
}

qdev->doorbell_area_size = pci_resource_len(pdev, 3);
@@ -4445,14 +4445,14 @@ static int qlge_init_device(struct pci_dev *pdev, struct qlge_adapter *qdev,
if (!qdev->doorbell_area) {
dev_err(&pdev->dev, "Doorbell register mapping failed.\n");
err = -ENOMEM;
- goto err_out2;
+ goto err_iounmap_base;
}

err = qlge_get_board_info(qdev);
if (err) {
dev_err(&pdev->dev, "Register access failed.\n");
err = -EIO;
- goto err_out2;
+ goto err_iounmap_doorbell;
}
qdev->msg_enable = netif_msg_init(debug, default_msg);
spin_lock_init(&qdev->stats_lock);
@@ -4462,7 +4462,7 @@ static int qlge_init_device(struct pci_dev *pdev, struct qlge_adapter *qdev,
vmalloc(sizeof(struct qlge_mpi_coredump));
if (!qdev->mpi_coredump) {
err = -ENOMEM;
- goto err_out2;
+ goto err_iounmap_doorbell;
}
if (qlge_force_coredump)
set_bit(QL_FRC_COREDUMP, &qdev->flags);
@@ -4471,7 +4471,7 @@ static int qlge_init_device(struct pci_dev *pdev, struct qlge_adapter *qdev,
err = qdev->nic_ops->get_flash(qdev);
if (err) {
dev_err(&pdev->dev, "Invalid FLASH.\n");
- goto err_out2;
+ goto err_free_mpi_coredump;
}

/* Keep local copy of current mac address. */
@@ -4494,7 +4494,7 @@ static int qlge_init_device(struct pci_dev *pdev, struct qlge_adapter *qdev,
ndev->name);
if (!qdev->workqueue) {
err = -ENOMEM;
- goto err_out2;
+ goto err_free_mpi_coredump;
}

INIT_DELAYED_WORK(&qdev->asic_reset_work, qlge_asic_reset_work);
@@ -4512,10 +4512,18 @@ static int qlge_init_device(struct pci_dev *pdev, struct qlge_adapter *qdev,
DRV_NAME, DRV_VERSION);
}
return 0;
-err_out2:
- qlge_release_all(pdev);
-err_out1:
+
+err_free_mpi_coredump:
+ vfree(qdev->mpi_coredump);
+err_iounmap_doorbell:
+ iounmap(qdev->doorbell_area);
+err_iounmap_base:
+ iounmap(qdev->reg_base);
+err_release_pci:
+ pci_release_regions(pdev);
+err_disable_pci:
pci_disable_device(pdev);
+
return err;
}

--
2.28.0