wifi: rtw89: coex: initialize local .dbcc_2g_phy in _set_btg_ctrl()

JIRA: https://issues.redhat.com/browse/RHEL-73817

commit 6cdfb56
Author: Ping-Ke Shih <pkshih@realtek.com>
Date:   Thu Sep 19 16:12:15 2024 +0800

    wifi: rtw89: coex: initialize local .dbcc_2g_phy in _set_btg_ctrl()
    
    For the case of DBCC enabled and fwrole version 0, the local variable
    wl_rinfo.dbcc_2g_phy might not be set by following for-loop, leading
    uninitialized variable before using.
    
    Addresses-Coverity-ID: 1586724 ("Uninitialized scalar variable")
    
    Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
    Link: https://patch.msgid.link/20240919081216.28505-3-pkshih@realtek.com

Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>

Author: jtornosm

drivers/net/wireless/realtek/rtw89/coex.c

@@ -4859,6 +4859,8 @@ static void _set_btg_ctrl(struct rtw89_dev *rtwdev)
 
 	if (rtwdev->dbcc_en) {
 		if (ver->fwlrole == 0) {
+			wl_rinfo.dbcc_2g_phy = RTW89_PHY_MAX;
+
 			for (i = 0; i < RTW89_PHY_MAX; i++) {
 				if (wl_dinfo->real_band[i] == RTW89_BAND_2G)
 					wl_rinfo.dbcc_2g_phy = i;