linux-kernel - [PATCH] hid-wiimote-debug.c: Fix error checking for debugfs_create

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Message-Id: <20230523171240.12930-1-osmtendev@gmail.com>
Date:   Tue, 23 May 2023 22:12:40 +0500
From:   Osama Muhammad <osmtendev@...il.com>
To:     david.rheinsberg@...il.com, benjamin.tissoires@...hat.com
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Osama Muhammad <osmtendev@...il.com>
Subject: [PATCH] hid-wiimote-debug.c: Fix error checking for debugfs_create_file

This patch fixes the error checking in hid-wiimote-debug.c in
debugfs_create_file. The correct way to check if an error occurred
is 'IS_ERR' inline function.

Signed-off-by: Osama Muhammad <osmtendev@...il.com>
---
 drivers/hid/hid-wiimote-debug.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c
index a99dcca2e099..eddd981fee1a 100644
--- a/drivers/hid/hid-wiimote-debug.c
+++ b/drivers/hid/hid-wiimote-debug.c
@@ -183,12 +183,12 @@ int wiidebug_init(struct wiimote_data *wdata)
 
 	dbg->eeprom = debugfs_create_file("eeprom", S_IRUSR,
 		dbg->wdata->hdev->debug_dir, dbg, &wiidebug_eeprom_fops);
-	if (!dbg->eeprom)
+	if (IS_ERR(dbg->eeprom))
 		goto err;
 
 	dbg->drm = debugfs_create_file("drm", S_IRUSR,
 			dbg->wdata->hdev->debug_dir, dbg, &wiidebug_drm_fops);
-	if (!dbg->drm)
+	if (IS_ERR(dbg->drm))
 		goto err_drm;
 
 	spin_lock_irqsave(&wdata->state.lock, flags);
-- 
2.34.1