rtw89: fix uninitialized variable of rtw89_append_probe_req_ie()

smatch reports that:
  fw.c:1997 rtw89_append_probe_req_ie() error: uninitialized symbol 'ret'.

This can be a issue only if no band is supported by the chip, but it is
impossible. So, it is still safe without this patch.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220311020007.20414-1-pkshih@realtek.com

diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index 2fe091c..6deaf8e 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -1964,7 +1964,7 @@ static int rtw89_append_probe_req_ie(struct rtw89_dev *rtwdev,
        struct ieee80211_scan_ies *ies = rtwvif->scan_ies;
        struct rtw89_pktofld_info *info;
        struct sk_buff *new;
-       int ret;
+       int ret = 0;
        u8 band;
 
        for (band = NL80211_BAND_2GHZ; band < NUM_NL80211_BANDS; band++) {