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OPP: fix error checking in opp_migrate_dentry()

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Since commit ff9fb72bc0 ("debugfs: return error values, not NULL")
changed return value of debugfs_rename() in error cases from %NULL to
%ERR_PTR(-ERROR), we should also check error values instead of NULL.

Fixes: ff9fb72bc0 ("debugfs: return error values, not NULL")
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Link: https://lore.kernel.org/r/20230208040037.60305-1-zhengqi.arch@bytedance.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Qi Zheng 2023-02-08 12:00:37 +08:00 committed by Greg Kroah-Hartman
parent d3002468cb
commit 9f467f6375
1 changed files with 1 additions and 1 deletions
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2
drivers/opp/debugfs.c
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@ -235,7 +235,7 @@ static void opp_migrate_dentry(struct opp_device *opp_dev,
dentry = debugfs_rename(rootdir, opp_dev->dentry, rootdir,
opp_table->dentry_name);
if (!dentry) {
if (IS_ERR(dentry)) {
dev_err(dev, "%s: Failed to rename link from: %s to %s\n",
__func__, dev_name(opp_dev->dev), dev_name(dev));
return;