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Message-Id: <bebc7973675a17a9bc0b063e71d7dd9843e46192.1450512996.git.geliangtang@163.com>
Date: Sat, 19 Dec 2015 16:22:51 +0800
From: Geliang Tang <geliangtang@....com>
To: Tadeusz Struk <tadeusz.struk@...el.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>,
"Allan, Bruce W" <bruce.w.allan@...el.com>
Cc: Geliang Tang <geliangtang@....com>, qat-linux@...el.com,
linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] 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 <geliangtang@....com>
---
Changes in v2:
- only to qat_crypto.c, and adf_ctl_drv.c.
---
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 2e6d0c5..5c897e6 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 4d0c65b..3852d31 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;
--
2.5.0
--
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