On 11/29/2020 11:15 PM, David Ahern wrote:

On 11/26/20 4:14 AM, Moshe Shemesh wrote:

quoted

diff --git a/devlink/devlink.c b/devlink/devlink.c
index a9ba0072..bd588869 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c

@@ -2974,17 +2974,11 @@ static int cmd_dev_param(struct dl *dl)
  	pr_err("Command \"%s\" not found\n", dl_argv(dl));
  	return -ENOENT;
  }
-static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data)
+
+static void pr_out_dev(struct dl *dl, struct nlattr **tb)

why 'pr_out_dev'? there is no 'dev' argument.

Because it prints command dev show output, the data is in tb argument 
and includes bus name, dev name and dev stats.

quoted

  {
-	struct dl *dl = data;
-	struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
-	struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
  	uint8_t reload_failed = 0;
  
-	mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
-	if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
-		return MNL_CB_ERROR;
-
  	if (tb[DEVLINK_ATTR_RELOAD_FAILED])
  		reload_failed = mnl_attr_get_u8(tb[DEVLINK_ATTR_RELOAD_FAILED]);