wifi: 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@vivo.com>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230712114740.13226-1-duminjie@vivo.com

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index fb7a295..995c6e7 100644 (file)
--- 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