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path: root/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index a0b46e7d863e..0fb2eaee3e8a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -88,16 +88,35 @@ static void hclge_dbg_fill_content(char *content, u16 len,
const struct hclge_dbg_item *items,
const char **result, u16 size)
{
+#define HCLGE_DBG_LINE_END_LEN 2
char *pos = content;
+ u16 item_len;
u16 i;
+ if (!len) {
+ return;
+ } else if (len <= HCLGE_DBG_LINE_END_LEN) {
+ *pos++ = '\0';
+ return;
+ }
+
memset(content, ' ', len);
+ len -= HCLGE_DBG_LINE_END_LEN;
+
for (i = 0; i < size; i++) {
- if (result)
- strncpy(pos, result[i], strlen(result[i]));
- else
- strncpy(pos, items[i].name, strlen(items[i].name));
- pos += strlen(items[i].name) + items[i].interval;
+ item_len = strlen(items[i].name) + items[i].interval;
+ if (len < item_len)
+ break;
+
+ if (result) {
+ if (item_len < strlen(result[i]))
+ break;
+ memcpy(pos, result[i], strlen(result[i]));
+ } else {
+ memcpy(pos, items[i].name, strlen(items[i].name));
+ }
+ pos += item_len;
+ len -= item_len;
}
*pos++ = '\n';
*pos++ = '\0';
@@ -674,8 +693,7 @@ static int hclge_dbg_dump_tc(struct hclge_dev *hdev, char *buf, int len)
for (i = 0; i < HNAE3_MAX_TC; i++) {
sch_mode_str = ets_weight->tc_weight[i] ? "dwrr" : "sp";
pos += scnprintf(buf + pos, len - pos, "%u %4s %3u\n",
- i, sch_mode_str,
- hdev->tm_info.pg_info[0].tc_dwrr[i]);
+ i, sch_mode_str, ets_weight->tc_weight[i]);
}
return 0;