linux-kernel - [PATCH v1] net: wireless: ath9k: fix parameter check in ath9k_init

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Date:   Wed, 12 Jul 2023 19:47:40 +0800
From:   Minjie Du <duminjie@...o.com>
To:     Toke Høiland-Jørgensen <toke@...e.dk>,
        Kalle Valo <kvalo@...nel.org>,
        linux-wireless@...r.kernel.org (open list:QUALCOMM ATHEROS ATH9K
        WIRELESS DRIVER), linux-kernel@...r.kernel.org (open list)
Cc:     opensource.kernel@...o.com, Minjie Du <duminjie@...o.com>
Subject: [PATCH v1] net: wireless: ath9k: fix parameter check in ath9k_init_debug()

Make IS_ERR() judge the debugfs_create_dir() function return
in ath9k_init_debug()

Signed-off-by: Minjie Du <duminjie@...o.com>
---
 drivers/net/wireless/ath/ath9k/debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index fb7a2952d..995c6e705 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -1420,7 +1420,7 @@ int ath9k_init_debug(struct ath_hw *ah)
 
 	sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
 						   sc->hw->wiphy->debugfsdir);
-	if (!sc->debug.debugfs_phy)
+	if (IS_ERR(sc->debug.debugfs_phy))
 		return -ENOMEM;
 
 #ifdef CONFIG_ATH_DEBUG
-- 
2.39.0