iwinfo: clean up rpc_iwinfo_call_hw_ht_mode()

There's no need to call hwmodelist() again, just pass on the earlier
result.

Signed-off-by: Andre Heider <a.heider@gmail.com>

1 files changed, 11 insertions, 12 deletions

diff --git a/iwinfo.c b/iwinfo.c
index d417729..cdbb870 100644
--- a/iwinfo.c
+++ b/iwinfo.c
@@ -241,30 +241,28 @@ rpc_iwinfo_call_htmodes(const char *name)
 				false, 0);
 }
 
-static void
+static int
 rpc_iwinfo_call_hwmodes(const char *name)
 {
 	int modes;
 
 	if (iw->hwmodelist(ifname, &modes))
-		return;
+		return -1;
 
 	rpc_iwinfo_add_bit_array(name, modes,
 				IWINFO_80211_NAMES, IWINFO_80211_COUNT,
 				false, 0);
+
+	return modes;
 }
 
-static void rpc_iwinfo_call_hw_ht_mode()
+static void rpc_iwinfo_call_hw_ht_mode(int hwmodelist)
 {
 	const char *hwmode_str;
 	const char *htmode_str;
-	int32_t htmode = 0;
-	int modes;
+	int htmode;
 
-	if (iw->hwmodelist(ifname, &modes))
-		return;
-
-	if (modes == IWINFO_80211_AD)
+	if (hwmodelist == IWINFO_80211_AD)
 	{
 		blobmsg_add_string(&buf, "hwmode", "ad");
 		return;
@@ -305,7 +303,7 @@ rpc_iwinfo_info(struct ubus_context *ctx, struct ubus_object *obj,
                 struct ubus_request_data *req, const char *method,
                 struct blob_attr *msg)
 {
-	int rv;
+	int rv, hwmodes;
 	void *c;
 
 	rv = rpc_iwinfo_open(msg);
@@ -342,9 +340,10 @@ rpc_iwinfo_info(struct ubus_context *ctx, struct ubus_object *obj,
 
 	rpc_iwinfo_call_encryption("encryption");
 	rpc_iwinfo_call_htmodes("htmodes");
-	rpc_iwinfo_call_hwmodes("hwmodes");
+	hwmodes = rpc_iwinfo_call_hwmodes("hwmodes");
 
-	rpc_iwinfo_call_hw_ht_mode();
+	if (hwmodes > 0)
+		rpc_iwinfo_call_hw_ht_mode(hwmodes);
 
 	c = blobmsg_open_table(&buf, "hardware");
 	rpc_iwinfo_call_hardware_id("id");