[PATCH] wifi: mt76: mt7996: fix uninitialized symbol warning

[sunliming at linux.dev]

From: sunliming <sunliming at kylinos.cn>

Fix below smatch warnings:
drivers/net/wireless/mediatek/mt76/mt7996/main.c:952 mt7996_mac_sta_add_links()
error: uninitialized symbol 'err'.
drivers/net/wireless/mediatek/mt76/mt7996/main.c:1133 mt7996_set_rts_threshold()
error: uninitialized symbol 'ret'.

Reported-by: kernel test robot <lkp at intel.com>
Reported-by: Dan Carpenter <error27 at gmail.com>
Closes: https://lore.kernel.org/r/202504101051.1ya4Z4va-lkp@intel.com/
Signed-off-by: sunliming <sunliming at kylinos.cn>
---
 drivers/net/wireless/mediatek/mt76/mt7996/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
index cc6bb4544c2a..7c7c4b5a28b9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
@@ -991,7 +991,7 @@ mt7996_mac_sta_add_links(struct mt7996_dev *dev, struct ieee80211_vif *vif,
 {
 	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
 	unsigned int link_id;
-	int err;
+	int err = 0;
 
 	for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) {
 		struct ieee80211_bss_conf *link_conf;
@@ -1248,7 +1248,7 @@ static void mt7996_tx(struct ieee80211_hw *hw,
 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
 {
 	struct mt7996_dev *dev = mt7996_hw_dev(hw);
-	int i, ret;
+	int i, ret = 0;
 
 	mutex_lock(&dev->mt76.mutex);
 
-- 
2.25.1