From: Greg Kroah-Hartman Date: Tue, 22 Jan 2019 15:14:16 +0000 (+0100) Subject: crypto: qat - no need to check return value of debugfs_create functions X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f0fcf9ade46abd64091fab8891ff5f690f7c8d7d;p=linux.git crypto: qat - no need to check return value of debugfs_create functions When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Giovanni Cabiddu Cc: Herbert Xu Cc: "David S. Miller" Cc: Conor McLoughlin Cc: Waiman Long Cc: qat-linux@intel.com Cc: linux-crypto@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/qat/qat_c3xxx/adf_drv.c b/drivers/crypto/qat/qat_c3xxx/adf_drv.c index 763c2166ee0ec..d937cc7248a5e 100644 --- a/drivers/crypto/qat/qat_c3xxx/adf_drv.c +++ b/drivers/crypto/qat/qat_c3xxx/adf_drv.c @@ -193,11 +193,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) PCI_FUNC(pdev->devfn)); accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - if (!accel_dev->debugfs_dir) { - dev_err(&pdev->dev, "Could not create debugfs dir %s\n", name); - ret = -EINVAL; - goto out_err; - } /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); diff --git a/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c b/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c index 613c7d5644ced..1dc5ac859f7b4 100644 --- a/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c +++ b/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c @@ -177,11 +177,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) PCI_FUNC(pdev->devfn)); accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - if (!accel_dev->debugfs_dir) { - dev_err(&pdev->dev, "Could not create debugfs dir %s\n", name); - ret = -EINVAL; - goto out_err; - } /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); diff --git a/drivers/crypto/qat/qat_c62x/adf_drv.c b/drivers/crypto/qat/qat_c62x/adf_drv.c index 9cb832963357d..2bc06c89d2fe7 100644 --- a/drivers/crypto/qat/qat_c62x/adf_drv.c +++ b/drivers/crypto/qat/qat_c62x/adf_drv.c @@ -193,11 +193,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) PCI_FUNC(pdev->devfn)); accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - if (!accel_dev->debugfs_dir) { - dev_err(&pdev->dev, "Could not create debugfs dir %s\n", name); - ret = -EINVAL; - goto out_err; - } /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); diff --git a/drivers/crypto/qat/qat_c62xvf/adf_drv.c b/drivers/crypto/qat/qat_c62xvf/adf_drv.c index 278452b8ef81c..a68358b31292d 100644 --- a/drivers/crypto/qat/qat_c62xvf/adf_drv.c +++ b/drivers/crypto/qat/qat_c62xvf/adf_drv.c @@ -177,11 +177,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) PCI_FUNC(pdev->devfn)); accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - if (!accel_dev->debugfs_dir) { - dev_err(&pdev->dev, "Could not create debugfs dir %s\n", name); - ret = -EINVAL; - goto out_err; - } /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); diff --git a/drivers/crypto/qat/qat_common/adf_cfg.c b/drivers/crypto/qat/qat_common/adf_cfg.c index d0879790561fa..5c7fdb0fc53d9 100644 --- a/drivers/crypto/qat/qat_common/adf_cfg.c +++ b/drivers/crypto/qat/qat_common/adf_cfg.c @@ -141,13 +141,6 @@ int adf_cfg_dev_add(struct adf_accel_dev *accel_dev) accel_dev->debugfs_dir, dev_cfg_data, &qat_dev_cfg_fops); - if (!dev_cfg_data->debug) { - dev_err(&GET_DEV(accel_dev), - "Failed to create qat cfg debugfs entry.\n"); - kfree(dev_cfg_data); - accel_dev->cfg = NULL; - return -EFAULT; - } return 0; } EXPORT_SYMBOL_GPL(adf_cfg_dev_add); diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c index 57d2622728a57..ac658ce46836c 100644 --- a/drivers/crypto/qat/qat_common/adf_transport.c +++ b/drivers/crypto/qat/qat_common/adf_transport.c @@ -486,12 +486,6 @@ int adf_init_etr_data(struct adf_accel_dev *accel_dev) /* accel_dev->debugfs_dir should always be non-NULL here */ etr_data->debug = debugfs_create_dir("transport", accel_dev->debugfs_dir); - if (!etr_data->debug) { - dev_err(&GET_DEV(accel_dev), - "Unable to create transport debugfs entry\n"); - ret = -ENOENT; - goto err_bank_debug; - } for (i = 0; i < num_banks; i++) { ret = adf_init_bank(accel_dev, &etr_data->banks[i], i, diff --git a/drivers/crypto/qat/qat_common/adf_transport_debug.c b/drivers/crypto/qat/qat_common/adf_transport_debug.c index 52340b9bb3873..e794e9d97b2cb 100644 --- a/drivers/crypto/qat/qat_common/adf_transport_debug.c +++ b/drivers/crypto/qat/qat_common/adf_transport_debug.c @@ -163,11 +163,6 @@ int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name) ring_debug->debug = debugfs_create_file(entry_name, S_IRUSR, ring->bank->bank_debug_dir, ring, &adf_ring_debug_fops); - if (!ring_debug->debug) { - pr_err("QAT: Failed to create ring debug entry.\n"); - kfree(ring_debug); - return -EFAULT; - } ring->ring_debug = ring_debug; return 0; } @@ -271,19 +266,9 @@ int adf_bank_debugfs_add(struct adf_etr_bank_data *bank) snprintf(name, sizeof(name), "bank_%02d", bank->bank_number); bank->bank_debug_dir = debugfs_create_dir(name, parent); - if (!bank->bank_debug_dir) { - pr_err("QAT: Failed to create bank debug dir.\n"); - return -EFAULT; - } - bank->bank_debug_cfg = debugfs_create_file("config", S_IRUSR, bank->bank_debug_dir, bank, &adf_bank_debug_fops); - if (!bank->bank_debug_cfg) { - pr_err("QAT: Failed to create bank debug entry.\n"); - debugfs_remove(bank->bank_debug_dir); - return -EFAULT; - } return 0; } diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c index 3a9708ef4ce21..b11bf8c0e6839 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c @@ -193,11 +193,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) PCI_FUNC(pdev->devfn)); accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - if (!accel_dev->debugfs_dir) { - dev_err(&pdev->dev, "Could not create debugfs dir %s\n", name); - ret = -EINVAL; - goto out_err; - } /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); diff --git a/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c b/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c index 3da0f951cb590..1b762eefc6c1a 100644 --- a/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c +++ b/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c @@ -177,11 +177,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) PCI_FUNC(pdev->devfn)); accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - if (!accel_dev->debugfs_dir) { - dev_err(&pdev->dev, "Could not create debugfs dir %s\n", name); - ret = -EINVAL; - goto out_err; - } /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev);