From 54e3d7538fa53e35977f1bfadafba9c4bb2bd149 Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu Date: Mon, 12 Oct 2020 21:38:45 +0100 Subject: [PATCH] crypto: qat - refactor qat_crypto_dev_config() Refactor function qat_crypto_dev_config() to propagate errors to the caller. Suggested-by: Andy Shevchenko Signed-off-by: Giovanni Cabiddu Reviewed-by: Andy Shevchenko Signed-off-by: Herbert Xu --- drivers/crypto/qat/qat_common/qat_crypto.c | 67 ++++++++++++++++++------------ 1 file changed, 41 insertions(+), 26 deletions(-) diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c index 7354630..8d8ac5e 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.c +++ b/drivers/crypto/qat/qat_common/qat_crypto.c @@ -115,88 +115,103 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) */ int qat_crypto_dev_config(struct adf_accel_dev *accel_dev) { - int cpus = num_online_cpus(); - int banks = GET_MAX_BANKS(accel_dev); char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; - int i; + int banks = GET_MAX_BANKS(accel_dev); + int cpus = num_online_cpus(); unsigned long val; int instances; + int ret; + int i; if (adf_hw_dev_has_crypto(accel_dev)) instances = min(cpus, banks); else instances = 0; - if (adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC)) + ret = adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC); + if (ret) goto err; - if (adf_cfg_section_add(accel_dev, "Accelerator0")) + + ret = adf_cfg_section_add(accel_dev, "Accelerator0"); + if (ret) goto err; + for (i = 0; i < instances; i++) { val = i; snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_BANK_NUM, i); - if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, - key, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) goto err; snprintf(key, sizeof(key), ADF_CY "%d" ADF_ETRMGR_CORE_AFFINITY, i); - if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, - key, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) goto err; snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_SIZE, i); val = 128; - if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, - key, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) goto err; val = 512; snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_SIZE, i); - if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, - key, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) goto err; val = 0; snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_TX, i); - if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, - key, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) goto err; val = 2; snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_TX, i); - if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, - key, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) goto err; val = 8; snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_RX, i); - if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, - key, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) goto err; val = 10; snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_RX, i); - if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, - key, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) goto err; val = ADF_COALESCING_DEF_TIME; snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i); - if (adf_cfg_add_key_value_param(accel_dev, "Accelerator0", - key, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, "Accelerator0", + key, &val, ADF_DEC); + if (ret) goto err; } val = i; - if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, - ADF_NUM_CY, &val, ADF_DEC)) + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY, + &val, ADF_DEC); + if (ret) goto err; set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status); return 0; err: dev_err(&GET_DEV(accel_dev), "Failed to start QAT accel dev\n"); - return -EINVAL; + return ret; } EXPORT_SYMBOL_GPL(qat_crypto_dev_config); -- 2.7.4