linux-kernel - [PATCH v4] wifi: ath5k: remove parameter check in ath5k_debug_init

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Message-Id: <20230713082433.11485-1-duminjie@vivo.com>
Date:   Thu, 13 Jul 2023 16:24:32 +0800
From:   Minjie Du <duminjie@...o.com>
To:     Jiri Slaby <jirislaby@...nel.org>,
        Nick Kossifidis <mickflemm@...il.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Kalle Valo <kvalo@...nel.org>,
        linux-wireless@...r.kernel.org (open list:ATHEROS ATH5K WIRELESS DRIVER),
        linux-kernel@...r.kernel.org (open list)
Cc:     opensource.kernel@...o.com, Minjie Du <duminjie@...o.com>
Subject: [PATCH v4] wifi: ath5k: remove parameter check in ath5k_debug_init_device()

The parameter 'phydir' error check is mistake.
debugfs_create_file() will return early if 'phydir' is an error pointer,
so the error check is removed.

Signed-off-by: Minjie Du <duminjie@...o.com>
---
v1: use IS_ERR() to error check.
v2: use IS_ERR_OR_NULL() to error check.
v3: remove the error check.
v4: fix the patch format.
---
 drivers/net/wireless/ath/ath5k/debug.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 4b41160e5..ec130510a 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -982,8 +982,6 @@ ath5k_debug_init_device(struct ath5k_hw *ah)
 	ah->debug.level = ath5k_debug;
 
 	phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir);
-	if (!phydir)
-		return;
 
 	debugfs_create_file("debug", 0600, phydir, ah, &fops_debug);
 	debugfs_create_file("registers", 0400, phydir, ah, &registers_fops);
-- 
2.39.0