linux-kernel - Re: linux-next: build warning after merge of the driver-core tree

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Date:   Mon, 20 Feb 2023 08:31:58 +0100
From:   Greg KH <greg@...ah.com>
To:     Qi Zheng <zhengqi.arch@...edance.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the driver-core tree

On Mon, Feb 20, 2023 at 03:26:41PM +0800, Qi Zheng wrote:
> 
> 
> On 2023/2/20 13:31, Stephen Rothwell wrote:
> > Hi all,
> > 
> > After merging the driver-core tree, today's linux-next build
> > (htmldocs) produced this warning:
> > 
> > Documentation/filesystems/api-summary:146: fs/debugfs/inode.c:804: WARNING: Inline literal start-string without end-string.
> > 
> > Introduced by commit
> > 
> >    d3002468cb5d ("debugfs: update comment of debugfs_rename()")
> 
> This is just a comment modification. Didn't see where my modification
> caused this WARNING. :(

Yeah, I don't understand either, here's the diff, what's wrong with it?


--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -802,8 +802,8 @@ EXPORT_SYMBOL_GPL(debugfs_lookup_and_remove);
  * exist for rename to succeed.
  *
  * 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
- * returned.
+ * reflect renaming) if it succeeds. If an error occurs, %ERR_PTR(-ERROR)
+ * will be returned.
  *
  * If debugfs is not enabled in the kernel, the value -%ENODEV will be
  * returned.