linux-kernel - [PATCH v1] drivers: fix parameter check in create_debugfs

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Date:   Wed, 12 Jul 2023 20:06:58 +0800
From:   Minjie Du <duminjie@...o.com>
To:     Tony Luck <tony.luck@...el.com>, Borislav Petkov <bp@...en8.de>,
        linux-edac@...r.kernel.org (open list:RAS INFRASTRUCTURE),
        linux-kernel@...r.kernel.org (open list)
Cc:     opensource.kernel@...o.com, Minjie Du <duminjie@...o.com>
Subject: [PATCH v1] drivers: fix parameter check in create_debugfs_nodes()

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

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

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 321af498e..27db1ae9f 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -483,7 +483,7 @@ static int __init create_debugfs_nodes(void)
 	struct dentry *d, *pfn, *decay, *count, *array;
 
 	d = debugfs_create_dir("cec", ras_debugfs_dir);
-	if (!d) {
+	if (IS_ERR(d)) {
 		pr_warn("Error creating cec debugfs node!\n");
 		return -1;
 	}
-- 
2.39.0