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Subject[PATCH v2] ethernet: hnae: drop adhoc assert() macros
Date
Replace assert() with a less misleading test_condition() using WARN()
Drop one check which had bitrotted and didn't compile anymore.

Signed-off-by: Igor Stoppa <igor.stoppa@huawei.com>
Cc: huangdaode <huangdaode@hisilicon.com>
Cc: Yisen Zhuang <yisen.zhuang@huawei.com>
Cc: Salil Mehta <salil.mehta@huawei.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
drivers/net/ethernet/hisilicon/hns/hnae.c | 7 ++--
drivers/net/ethernet/hisilicon/hns/hnae.h | 34 +++++--------------
.../net/ethernet/hisilicon/hns/hns_ae_adapt.c | 16 ++++-----
drivers/net/ethernet/hisilicon/hns/hns_enet.c | 12 +++----
4 files changed, 25 insertions(+), 44 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c
index a051e582d541..bd64e6092e4b 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.c
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.c
@@ -203,11 +203,12 @@ hnae_init_ring(struct hnae_queue *q, struct hnae_ring *ring, int flags)
ring->flags = flags;
spin_lock_init(&ring->lock);
ring->coal_param = q->handle->coal_param;
- assert(!ring->desc && !ring->desc_cb && !ring->desc_dma_addr);
+ test_condition(!ring->desc && !ring->desc_cb &&
+ !ring->desc_dma_addr);

/* not matter for tx or rx ring, the ntc and ntc start from 0 */
- assert(ring->next_to_use == 0);
- assert(ring->next_to_clean == 0);
+ test_condition(ring->next_to_use == 0);
+ test_condition(ring->next_to_clean == 0);

ring->desc_cb = kcalloc(ring->desc_num, sizeof(ring->desc_cb[0]),
GFP_KERNEL);
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h
index 08a750fb60c4..47dec7590079 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.h
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
@@ -43,23 +43,9 @@
#define HNAE_DEFAULT_DEVICE_DESCR "Hisilicon Network Subsystem"

#ifdef DEBUG
-
-#ifndef assert
-#define assert(expr) \
-do { \
- if (!(expr)) { \
- pr_err("Assertion failed! %s, %s, %s, line %d\n", \
- #expr, __FILE__, __func__, __LINE__); \
- } \
-} while (0)
-#endif
-
+#define test_condition(expr) WARN_ON_ONCE(!(expr))
#else
-
-#ifndef assert
-#define assert(expr)
-#endif
-
+#define test_condition(expr)
#endif

#define AE_VERSION_1 ('6' << 16 | '6' << 8 | '0')
@@ -314,16 +300,16 @@ enum hns_desc_type {
DESC_TYPE_PAGE,
};

-#define assert_is_ring_idx(ring, idx) \
- assert((idx) >= 0 && (idx) < (ring)->desc_num)
+#define is_ring_idx(ring, idx) \
+ test_condition((idx) >= 0 && (idx) < (ring)->desc_num)

/* the distance between [begin, end) in a ring buffer
* note: there is a unuse slot between the begin and the end
*/
static inline int ring_dist(struct hnae_ring *ring, int begin, int end)
{
- assert_is_ring_idx(ring, begin);
- assert_is_ring_idx(ring, end);
+ is_ring_idx(ring, begin);
+ is_ring_idx(ring, end);

return (end - begin + ring->desc_num) % ring->desc_num;
}
@@ -336,8 +322,8 @@ static inline int ring_space(struct hnae_ring *ring)

static inline int is_ring_empty(struct hnae_ring *ring)
{
- assert_is_ring_idx(ring, ring->next_to_use);
- assert_is_ring_idx(ring, ring->next_to_clean);
+ is_ring_idx(ring, ring->next_to_use);
+ is_ring_idx(ring, ring->next_to_clean);

return ring->next_to_use == ring->next_to_clean;
}
@@ -592,10 +578,6 @@ int hnae_reinit_handle(struct hnae_handle *handle);
#define hnae_queue_xmit(q, buf_num) writel_relaxed(buf_num, \
(q)->tx_ring.io_base + RCB_REG_TAIL)

-#ifndef assert
-#define assert(cond)
-#endif
-
static inline int hnae_reserve_buffer_map(struct hnae_ring *ring,
struct hnae_desc_cb *cb)
{
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
index b52029e26d15..6ff391ccdd7a 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
@@ -264,7 +264,7 @@ static int hns_ae_set_multicast_one(struct hnae_handle *handle, void *addr)
struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
u8 port_num;

- assert(mac_cb);
+ test_condition(mac_cb);

if (mac_cb->mac_type != HNAE_PORT_SERVICE)
return 0;
@@ -494,7 +494,7 @@ static void hns_ae_get_pauseparam(struct hnae_handle *handle,

static int hns_ae_set_autoneg(struct hnae_handle *handle, u8 enable)
{
- assert(handle);
+ test_condition(handle);

return hns_mac_set_autoneg(hns_get_mac_cb(handle), enable);
}
@@ -511,7 +511,7 @@ static int hns_ae_get_autoneg(struct hnae_handle *handle)
{
u32 auto_neg;

- assert(handle);
+ test_condition(handle);

hns_mac_get_autoneg(hns_get_mac_cb(handle), &auto_neg);

@@ -618,7 +618,7 @@ static void hns_ae_get_coalesce_range(struct hnae_handle *handle,
{
struct dsaf_device *dsaf_dev;

- assert(handle);
+ test_condition(handle);

dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);

@@ -767,7 +767,7 @@ static void hns_ae_get_strings(struct hnae_handle *handle,
u8 *p = data;
struct hnae_vf_cb *vf_cb;

- assert(handle);
+ test_condition(handle);

vf_cb = hns_ae_get_vf_cb(handle);
port = vf_cb->port_index;
@@ -795,7 +795,7 @@ static int hns_ae_get_sset_count(struct hnae_handle *handle, int stringset)
struct hns_mac_cb *mac_cb;
struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);

- assert(handle);
+ test_condition(handle);

mac_cb = hns_get_mac_cb(handle);

@@ -839,7 +839,7 @@ static void hns_ae_update_led_status(struct hnae_handle *handle)
{
struct hns_mac_cb *mac_cb;

- assert(handle);
+ test_condition(handle);
mac_cb = hns_get_mac_cb(handle);
if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER)
return;
@@ -852,7 +852,7 @@ static int hns_ae_cpld_set_led_id(struct hnae_handle *handle,
{
struct hns_mac_cb *mac_cb;

- assert(handle);
+ test_condition(handle);

mac_cb = hns_get_mac_cb(handle);

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index f56855e63c96..8ba0d44742d1 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -366,7 +366,7 @@ netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev,
ndev->stats.tx_packets++;

wmb(); /* commit all data before submit */
- assert(skb->queue_mapping < priv->ae_handle->q_num);
+ test_condition(skb->queue_mapping < priv->ae_handle->q_num);
hnae_queue_xmit(priv->ae_handle->qs[skb->queue_mapping], buf_num);
ring->stats.tx_pkts++;
ring->stats.tx_bytes += skb->len;
@@ -937,9 +937,9 @@ static int is_valid_clean_head(struct hnae_ring *ring, int h)
if (unlikely(h > ring->desc_num))
return 0;

- assert(u > 0 && u < ring->desc_num);
- assert(c > 0 && c < ring->desc_num);
- assert(u != c && h != c); /* must be checked before call this func */
+ test_condition(u > 0 && u < ring->desc_num);
+ test_condition(c > 0 && c < ring->desc_num);
+ test_condition(u != c && h != c); /* must be checked before call this func */

return u > c ? (h > c && h <= u) : (h > c || h <= u);
}
@@ -1515,8 +1515,6 @@ static netdev_tx_t hns_nic_net_xmit(struct sk_buff *skb,
{
struct hns_nic_priv *priv = netdev_priv(ndev);

- assert(skb->queue_mapping < ndev->ae_handle->q_num);
-
return hns_nic_net_xmit_hw(ndev, skb,
&tx_ring_data(priv, skb->queue_mapping));
}
@@ -2249,7 +2247,7 @@ static int hns_nic_notifier_action(struct notifier_block *nb,
struct hns_nic_priv *priv =
container_of(nb, struct hns_nic_priv, notifier_block);

- assert(action == HNAE_AE_REGISTER);
+ test_condition(action == HNAE_AE_REGISTER);

if (!hns_nic_try_get_ae(priv->netdev)) {
hnae_unregister_notifier(&priv->notifier_block);
--
2.17.1
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