From: Mark Tinguely <mark.tinguely@oracle.com>
To: Dan Carpenter <dan.carpenter@linaro.org>, Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>,
Joseph Qi <joseph.qi@linux.alibaba.com>,
ocfs2-devel@lists.linux.dev, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [External] : [PATCH] ocfs2: remove unnecessary NULL check in ocfs2_grab_folios()
Date: Tue, 19 Aug 2025 09:32:06 -0500 [thread overview]
Message-ID: <cf71e138-656d-4740-a5e9-43b4460147ca@oracle.com> (raw)
In-Reply-To: <aKRG39hyvDJcN2G7@stanley.mountain>
On 8/19/25 4:41 AM, Dan Carpenter wrote:
> Smatch complains that checking "folios" for NULL doesn't make sense
> because it has already been dereferenced at this point. Really passing a
> NULL "folios" pointer to ocfs2_grab_folios() doesn't make sense, and
> fortunately none of the callers do that. Delete the unnecessary NULL
> check.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
> ---
> fs/ocfs2/alloc.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
> index 821cb7874685..162711cc5b20 100644
> --- a/fs/ocfs2/alloc.c
> +++ b/fs/ocfs2/alloc.c
> @@ -6928,8 +6928,7 @@ static int ocfs2_grab_folios(struct inode *inode, loff_t start, loff_t end,
>
> out:
> if (ret != 0) {
> - if (folios)
> - ocfs2_unlock_and_free_folios(folios, numfolios);
> + ocfs2_unlock_and_free_folios(folios, numfolios);
> numfolios = 0;
> }
>
Reviewed-by: Mark Tinguely <mark.tinguely@oracle.com>
next prev parent reply other threads:[~2025-08-19 14:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-19 9:41 Dan Carpenter
2025-08-19 14:32 ` Mark Tinguely [this message]
2025-08-20 5:34 ` Joseph Qi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=cf71e138-656d-4740-a5e9-43b4460147ca@oracle.com \
--to=mark.tinguely@oracle.com \
--cc=dan.carpenter@linaro.org \
--cc=jlbec@evilplan.org \
--cc=joseph.qi@linux.alibaba.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark@fasheh.com \
--cc=ocfs2-devel@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®