From dc2c632272d5614b77359b24f77c0a80ddc3a962 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Sat, 19 Dec 2015 16:22:51 +0800 Subject: [PATCH] crypto: qat - use list_for_each_entry* Use list_for_each_entry*() instead of list_for_each*() to simplify the code. Signed-off-by: Geliang Tang Signed-off-by: Herbert Xu --- drivers/crypto/qat/qat_common/adf_ctl_drv.c | 13 +++------- drivers/crypto/qat/qat_common/qat_crypto.c | 28 ++++++--------------- 2 files changed, 12 insertions(+), 29 deletions(-) diff --git a/drivers/crypto/qat/qat_common/adf_ctl_drv.c b/drivers/crypto/qat/qat_common/adf_ctl_drv.c index 2e6d0c5febb5..5c897e6e7994 100644 --- a/drivers/crypto/qat/qat_common/adf_ctl_drv.c +++ b/drivers/crypto/qat/qat_common/adf_ctl_drv.c @@ -255,12 +255,9 @@ out: static int adf_ctl_is_device_in_use(int id) { - struct list_head *itr, *head = adf_devmgr_get_head(); - - list_for_each(itr, head) { - struct adf_accel_dev *dev = - list_entry(itr, struct adf_accel_dev, list); + struct adf_accel_dev *dev; + list_for_each_entry(dev, adf_devmgr_get_head(), list) { if (id == dev->accel_id || id == ADF_CFG_ALL_DEVICES) { if (adf_devmgr_in_reset(dev) || adf_dev_in_use(dev)) { dev_info(&GET_DEV(dev), @@ -275,12 +272,10 @@ static int adf_ctl_is_device_in_use(int id) static int adf_ctl_stop_devices(uint32_t id) { - struct list_head *itr, *head = adf_devmgr_get_head(); + struct adf_accel_dev *accel_dev; int ret = 0; - list_for_each_prev(itr, head) { - struct adf_accel_dev *accel_dev = - list_entry(itr, struct adf_accel_dev, list); + list_for_each_entry_reverse(accel_dev, adf_devmgr_get_head(), list) { if (id == accel_dev->accel_id || id == ADF_CFG_ALL_DEVICES) { if (!adf_dev_started(accel_dev)) continue; diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c index 4d0c65b073ec..3852d31ce0a4 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.c +++ b/drivers/crypto/qat/qat_common/qat_crypto.c @@ -67,13 +67,10 @@ void qat_crypto_put_instance(struct qat_crypto_instance *inst) static int qat_crypto_free_instances(struct adf_accel_dev *accel_dev) { - struct qat_crypto_instance *inst; - struct list_head *list_ptr, *tmp; + struct qat_crypto_instance *inst, *tmp; int i; - list_for_each_safe(list_ptr, tmp, &accel_dev->crypto_list) { - inst = list_entry(list_ptr, struct qat_crypto_instance, list); - + list_for_each_entry_safe(inst, tmp, &accel_dev->crypto_list, list) { for (i = 0; i < atomic_read(&inst->refctr); i++) qat_crypto_put_instance(inst); @@ -89,7 +86,7 @@ static int qat_crypto_free_instances(struct adf_accel_dev *accel_dev) if (inst->pke_rx) adf_remove_ring(inst->pke_rx); - list_del(list_ptr); + list_del(&inst->list); kfree(inst); } return 0; @@ -97,17 +94,13 @@ static int qat_crypto_free_instances(struct adf_accel_dev *accel_dev) struct qat_crypto_instance *qat_crypto_get_instance_node(int node) { - struct adf_accel_dev *accel_dev = NULL; - struct qat_crypto_instance *inst = NULL; - struct list_head *itr; + struct adf_accel_dev *accel_dev = NULL, *tmp_dev; + struct qat_crypto_instance *inst = NULL, *tmp_inst; unsigned long best = ~0; - list_for_each(itr, adf_devmgr_get_head()) { - struct adf_accel_dev *tmp_dev; + list_for_each_entry(tmp_dev, adf_devmgr_get_head(), list) { unsigned long ctr; - tmp_dev = list_entry(itr, struct adf_accel_dev, list); - if ((node == dev_to_node(&GET_DEV(tmp_dev)) || dev_to_node(&GET_DEV(tmp_dev)) < 0) && adf_dev_started(tmp_dev) && @@ -123,10 +116,7 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) if (!accel_dev) { pr_info("QAT: Could not find a device on node %d\n", node); /* Get any started device */ - list_for_each(itr, adf_devmgr_get_head()) { - struct adf_accel_dev *tmp_dev; - - tmp_dev = list_entry(itr, struct adf_accel_dev, list); + list_for_each_entry(tmp_dev, adf_devmgr_get_head(), list) { if (adf_dev_started(tmp_dev) && !list_empty(&tmp_dev->crypto_list)) { accel_dev = tmp_dev; @@ -139,11 +129,9 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) return NULL; best = ~0; - list_for_each(itr, &accel_dev->crypto_list) { - struct qat_crypto_instance *tmp_inst; + list_for_each_entry(tmp_inst, &accel_dev->crypto_list, list) { unsigned long ctr; - tmp_inst = list_entry(itr, struct qat_crypto_instance, list); ctr = atomic_read(&tmp_inst->refctr); if (best > ctr) { inst = tmp_inst; -- 2.20.1