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regulator: Fix error checking for debugfs_create_dir

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[ Upstream commit 2bf1c45be3 ]

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>
This commit is contained in:
Osama Muhammad 2023-05-15 22:29:38 +05:00 committed by Greg Kroah-Hartman
parent 248d9213cf
commit 9f864cf211
1 changed files with 2 additions and 2 deletions
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4
drivers/regulator/core.c
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@ -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,