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debugfs: update comment of debugfs_rename()

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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), the comment of debugfs_rename should also be updated
so as not to mislead readers.

Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Link: https://lore.kernel.org/r/20230208035634.58095-1-zhengqi.arch@bytedance.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Qi Zheng 2023-02-08 11:56:34 +08:00 committed by Greg Kroah-Hartman
parent 007ed7900a
commit d3002468cb
1 changed files with 2 additions and 2 deletions
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fs/debugfs/inode.c
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@ -802,8 +802,8 @@ EXPORT_SYMBOL_GPL(debugfs_lookup_and_remove);
* exist for rename to succeed. * exist for rename to succeed.
* *
* This function will return a pointer to old_dentry (which is updated to * This function will return a pointer to old_dentry (which is updated to
* reflect renaming) if it succeeds. If an error occurs, %NULL will be * reflect renaming) if it succeeds. If an error occurs, %ERR_PTR(-ERROR)
* returned. * will be returned.
* *
* If debugfs is not enabled in the kernel, the value -%ENODEV will be * If debugfs is not enabled in the kernel, the value -%ENODEV will be
* returned. * returned.