regulator: Fix error checking for debugfs_create_dir

[ Upstream commit 2bf1c45be3b8f3a3f898d0756c1282f09719debd ]

This patch fixes the error checking in core.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@gmail.com
Suggested-by: Ivan Orlov <ivan.orlov0322@gmail.com
Link: https://lore.kernel.org/r/20230515172938.13338-1-osmtendev@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 871d657a161f027c779307935ec78383d1a65988..7898a54a324c4482f20d0719a7c1f251253dddb7 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -3955,7 +3955,7 @@ static void rdev_init_debugfs(struct regulator_dev *rdev)
        }
 
        rdev->debugfs = debugfs_create_dir(rname, debugfs_root);
-       if (!rdev->debugfs) {
+       if (IS_ERR(rdev->debugfs)) {
                rdev_warn(rdev, "Failed to create debugfs directory\n");
                return;
        }
@@ -4513,7 +4513,7 @@ static int __init regulator_init(void)
        ret = class_register(&regulator_class);
 
        debugfs_root = debugfs_create_dir("regulator", NULL);
-       if (!debugfs_root)
+       if (IS_ERR(debugfs_root))
                pr_warn("regulator: Failed to create debugfs directory\n");
 
        debugfs_create_file("supply_map", 0444, debugfs_root, NULL,