From: Arnd Bergmann <a...@arndb.de>

clang points out a useless check that was recently added:

drivers/net/wireless/realtek/rtw88/fw.c:1485:21: warning: address of array 
'rtwdev->chip->fw_fifo_addr' will always evaluate to 'true' 
[-Wpointer-bool-conversion]
        if (!rtwdev->chip->fw_fifo_addr) {
            ~~~~~~~~~~~~~~~^~~~~~~~~~~~

Apparently this was meant to check the contents of the array
rather than the address, so check it accordingly.

Fixes: 0fbc2f0f34cc ("rtw88: add dump firmware fifo support")
Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
 drivers/net/wireless/realtek/rtw88/fw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtw88/fw.c 
b/drivers/net/wireless/realtek/rtw88/fw.c
index 042015bc8055..b2fd87834f23 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.c
+++ b/drivers/net/wireless/realtek/rtw88/fw.c
@@ -1482,7 +1482,7 @@ static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev,
 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size,
                     u32 *buffer)
 {
-       if (!rtwdev->chip->fw_fifo_addr) {
+       if (!rtwdev->chip->fw_fifo_addr[0]) {
                rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n");
                return -ENOTSUPP;
        }
-- 
2.27.0

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