diff options
author | Guo Zhengkui <guozhengkui@vivo.com> | 2021-11-15 08:00:10 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-11-15 17:18:09 +0300 |
commit | 9ed941178ce9894ecd0e06aebf7a3c43841817aa (patch) | |
tree | e7d275df3c78b0dff19ab6e53cc366b0d2d349b6 /drivers | |
parent | 16b1c4e01c89ba07367461e0bc4cb84993c2d027 (diff) | |
download | linux-9ed941178ce9894ecd0e06aebf7a3c43841817aa.tar.xz |
hinic: use ARRAY_SIZE instead of ARRAY_LEN
ARRAY_SIZE defined in <linux/kernel.h> is safer than self-defined
macros to get size of an array such as ARRAY_LEN used here. Because
ARRAY_SIZE uses __must_be_array(arr) to ensure arr is really an array.
Reported-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_ethtool.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c index a85667078b72..a35a80f9a234 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c @@ -1205,8 +1205,6 @@ static u32 hinic_get_rxfh_indir_size(struct net_device *netdev) return HINIC_RSS_INDIR_SIZE; } -#define ARRAY_LEN(arr) ((int)((int)sizeof(arr) / (int)sizeof(arr[0]))) - #define HINIC_FUNC_STAT(_stat_item) { \ .name = #_stat_item, \ .size = sizeof_field(struct hinic_vport_stats, _stat_item), \ @@ -1374,7 +1372,7 @@ static void get_drv_queue_stats(struct hinic_dev *nic_dev, u64 *data) break; hinic_txq_get_stats(&nic_dev->txqs[qid], &txq_stats); - for (j = 0; j < ARRAY_LEN(hinic_tx_queue_stats); j++, i++) { + for (j = 0; j < ARRAY_SIZE(hinic_tx_queue_stats); j++, i++) { p = (char *)&txq_stats + hinic_tx_queue_stats[j].offset; data[i] = (hinic_tx_queue_stats[j].size == @@ -1387,7 +1385,7 @@ static void get_drv_queue_stats(struct hinic_dev *nic_dev, u64 *data) break; hinic_rxq_get_stats(&nic_dev->rxqs[qid], &rxq_stats); - for (j = 0; j < ARRAY_LEN(hinic_rx_queue_stats); j++, i++) { + for (j = 0; j < ARRAY_SIZE(hinic_rx_queue_stats); j++, i++) { p = (char *)&rxq_stats + hinic_rx_queue_stats[j].offset; data[i] = (hinic_rx_queue_stats[j].size == @@ -1411,7 +1409,7 @@ static void hinic_get_ethtool_stats(struct net_device *netdev, netif_err(nic_dev, drv, netdev, "Failed to get vport stats from firmware\n"); - for (j = 0; j < ARRAY_LEN(hinic_function_stats); j++, i++) { + for (j = 0; j < ARRAY_SIZE(hinic_function_stats); j++, i++) { p = (char *)&vport_stats + hinic_function_stats[j].offset; data[i] = (hinic_function_stats[j].size == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; @@ -1420,8 +1418,8 @@ static void hinic_get_ethtool_stats(struct net_device *netdev, port_stats = kzalloc(sizeof(*port_stats), GFP_KERNEL); if (!port_stats) { memset(&data[i], 0, - ARRAY_LEN(hinic_port_stats) * sizeof(*data)); - i += ARRAY_LEN(hinic_port_stats); + ARRAY_SIZE(hinic_port_stats) * sizeof(*data)); + i += ARRAY_SIZE(hinic_port_stats); goto get_drv_stats; } @@ -1430,7 +1428,7 @@ static void hinic_get_ethtool_stats(struct net_device *netdev, netif_err(nic_dev, drv, netdev, "Failed to get port stats from firmware\n"); - for (j = 0; j < ARRAY_LEN(hinic_port_stats); j++, i++) { + for (j = 0; j < ARRAY_SIZE(hinic_port_stats); j++, i++) { p = (char *)port_stats + hinic_port_stats[j].offset; data[i] = (hinic_port_stats[j].size == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; @@ -1449,14 +1447,14 @@ static int hinic_get_sset_count(struct net_device *netdev, int sset) switch (sset) { case ETH_SS_TEST: - return ARRAY_LEN(hinic_test_strings); + return ARRAY_SIZE(hinic_test_strings); case ETH_SS_STATS: q_num = nic_dev->num_qps; - count = ARRAY_LEN(hinic_function_stats) + - (ARRAY_LEN(hinic_tx_queue_stats) + - ARRAY_LEN(hinic_rx_queue_stats)) * q_num; + count = ARRAY_SIZE(hinic_function_stats) + + (ARRAY_SIZE(hinic_tx_queue_stats) + + ARRAY_SIZE(hinic_rx_queue_stats)) * q_num; - count += ARRAY_LEN(hinic_port_stats); + count += ARRAY_SIZE(hinic_port_stats); return count; default: @@ -1476,27 +1474,27 @@ static void hinic_get_strings(struct net_device *netdev, memcpy(data, *hinic_test_strings, sizeof(hinic_test_strings)); return; case ETH_SS_STATS: - for (i = 0; i < ARRAY_LEN(hinic_function_stats); i++) { + for (i = 0; i < ARRAY_SIZE(hinic_function_stats); i++) { memcpy(p, hinic_function_stats[i].name, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } - for (i = 0; i < ARRAY_LEN(hinic_port_stats); i++) { + for (i = 0; i < ARRAY_SIZE(hinic_port_stats); i++) { memcpy(p, hinic_port_stats[i].name, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } for (i = 0; i < nic_dev->num_qps; i++) { - for (j = 0; j < ARRAY_LEN(hinic_tx_queue_stats); j++) { + for (j = 0; j < ARRAY_SIZE(hinic_tx_queue_stats); j++) { sprintf(p, hinic_tx_queue_stats[j].name, i); p += ETH_GSTRING_LEN; } } for (i = 0; i < nic_dev->num_qps; i++) { - for (j = 0; j < ARRAY_LEN(hinic_rx_queue_stats); j++) { + for (j = 0; j < ARRAY_SIZE(hinic_rx_queue_stats); j++) { sprintf(p, hinic_rx_queue_stats[j].name, i); p += ETH_GSTRING_LEN; } |