linux-kernel - [PATCH] omap_ssi_port.c: Fix error checking for debugfs_create

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Date:   Tue, 23 May 2023 22:24:34 +0500
From:   Osama Muhammad <osmtendev@...il.com>
To:     sre@...nel.org, jinpu.wang@...os.com
Cc:     linux-kernel@...r.kernel.org, Osama Muhammad <osmtendev@...il.com>
Subject: [PATCH] omap_ssi_port.c: Fix error checking for debugfs_create_dir

This patch fixes the error checking in omap_ssi_port.c in
debugfs_create_dir. The correct way to check if an error occurred
is 'IS_ERR' inline function.

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

diff --git a/drivers/hsi/controllers/omap_ssi_port.c b/drivers/hsi/controllers/omap_ssi_port.c
index b9495b720f1b..7ad41599baa5 100644
--- a/drivers/hsi/controllers/omap_ssi_port.c
+++ b/drivers/hsi/controllers/omap_ssi_port.c
@@ -157,12 +157,12 @@ static int ssi_debug_add_port(struct omap_ssi_port *omap_port,
 	struct hsi_port *port = to_hsi_port(omap_port->dev);
 
 	dir = debugfs_create_dir(dev_name(omap_port->dev), dir);
-	if (!dir)
+	if (IS_ERR(dir))
 		return -ENOMEM;
 	omap_port->dir = dir;
 	debugfs_create_file("regs", S_IRUGO, dir, port, &ssi_port_regs_fops);
 	dir = debugfs_create_dir("sst", dir);
-	if (!dir)
+	if (IS_ERR(dir))
 		return -ENOMEM;
 	debugfs_create_file_unsafe("divisor", 0644, dir, port,
 				   &ssi_sst_div_fops);
-- 
2.34.1