On Tue, 2015-10-06 at 23:53 +0200, Arnd Bergmann wrote:
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c
b/drivers/net/ethernet/hisilicon/hns/hnae.c
[]
@@ -448,12 +448,12 @@ static ssize_t handles_show(struct device *dev,
s += sprintf(buf + s, "handle %d (eport_id=%u from %s):\n",
i++, h->eport_id, h->dev->name);
for (j = 0; j < h->q_num; j++) {
- s += sprintf(buf + s, "\tqueue[%d] on 0x%llx\n",
- j, (u64)h->qs[i]->io_base);
-#define HANDEL_TX_MSG "\t\ttx_ring on 0x%llx:%u,%u,%u,%u,%u,%llu,%llu\n"
+ s += sprintf(buf + s, "\tqueue[%d] on %p\n",
+ j, h->qs[i]->io_base);
+#define HANDEL_TX_MSG "\t\ttx_ring on %p:%u,%u,%u,%u,%u,%llu,%llu\n"
s += sprintf(buf + s,
HANDEL_TX_MSG,
Maybe one day remove the misspelled and
used once HANDEL_TX_MSG macro too.
Another possibility is to use a generally
smaller object code style like:
char *s = buf;
...
s += sprintf(s, ...)
...
return s - buf;
instead of
ssize_t s = 0;
...
s += sprintf(buf + s, ...)
...
return s;
---
drivers/net/ethernet/hisilicon/hns/hnae.c | 35 +++++++++++++++----------------
1 file changed, 17 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c
b/drivers/net/ethernet/hisilicon/hns/hnae.c
index f52e99a..d2af46f 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.c
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.c
@@ -439,40 +439,39 @@ EXPORT_SYMBOL(hnae_ae_unregister);
static ssize_t handles_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- ssize_t s = 0;
+ char *s = buf;
struct hnae_ae_dev *hdev = cls_to_ae_dev(dev);
struct hnae_handle *h;
int i = 0, j;
list_for_each_entry_rcu(h, &hdev->handle_list, node) {
- s += sprintf(buf + s, "handle %d (eport_id=%u from %s):\n",
- i++, h->eport_id, h->dev->name);
+ s += sprintf(s, "handle %d (eport_id=%u from %s):\n",
+ i++, h->eport_id, h->dev->name);
for (j = 0; j < h->q_num; j++) {
- s += sprintf(buf + s, "\tqueue[%d] on %p\n",
+ s += sprintf(s, "\tqueue[%d] on %p\n",
j, h->qs[i]->io_base);
-#define HANDEL_TX_MSG "\t\ttx_ring on %p:%u,%u,%u,%u,%u,%llu,%llu\n"
- s += sprintf(buf + s,
- HANDEL_TX_MSG,
+ s += sprintf(s,
+ "\t\ttx_ring on
%p:%u,%u,%u,%u,%u,%llu,%llu\n",
h->qs[i]->tx_ring.io_base,
h->qs[i]->tx_ring.buf_size,
h->qs[i]->tx_ring.desc_num,
h->qs[i]->tx_ring.max_desc_num_per_pkt,
h->qs[i]->tx_ring.max_raw_data_sz_per_desc,
h->qs[i]->tx_ring.max_pkt_size,
- h->qs[i]->tx_ring.stats.sw_err_cnt,
- h->qs[i]->tx_ring.stats.io_err_cnt);
- s += sprintf(buf + s,
- "\t\trx_ring on %p:%u,%u,%llu,%llu,%llu\n",
- h->qs[i]->rx_ring.io_base,
- h->qs[i]->rx_ring.buf_size,
- h->qs[i]->rx_ring.desc_num,
- h->qs[i]->rx_ring.stats.sw_err_cnt,
- h->qs[i]->rx_ring.stats.io_err_cnt,
- h->qs[i]->rx_ring.stats.seg_pkt_cnt);
+ h->qs[i]->tx_ring.stats.sw_err_cnt,
+ h->qs[i]->tx_ring.stats.io_err_cnt);
+ s += sprintf(s,
+ "\t\trx_ring on %p:%u,%u,%llu,%llu,%llu\n",
+ h->qs[i]->rx_ring.io_base,
+ h->qs[i]->rx_ring.buf_size,
+ h->qs[i]->rx_ring.desc_num,
+ h->qs[i]->rx_ring.stats.sw_err_cnt,
+ h->qs[i]->rx_ring.stats.io_err_cnt,
+ h->qs[i]->rx_ring.stats.seg_pkt_cnt);
}
}
- return s;
+ return s - buf;
}
static DEVICE_ATTR_RO(handles);
.
