From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Wang Ming <machel@vivo.com>
Cc: Liu Shixin <liushixin2@huawei.com>, Rob Herring <robh@kernel.org>,
linux-kernel@vger.kernel.org, opensource.kernel@vivo.com
Subject: Re: [PATCH v1] bus:Fix error checking for debugfs_create_dir() in mvebu_mbus_debugfs_init()
Date: Fri, 4 Aug 2023 16:08:31 +0200 [thread overview]
Message-ID: <2023080418-mower-bubbly-d573@gregkh> (raw)
In-Reply-To: <20230712132343.8802-1-machel@vivo.com>
On Wed, Jul 12, 2023 at 09:23:28PM +0800, Wang Ming wrote:
> debugfs_create_dir() does not return NULL,but it is
> possible to return error pointer. Most incorrect error checks
> were fixed,but the one in mvebu_mbus_debugfs_init() was forgotten.
>
> Fix the remaining error check.
>
> Signed-off-by: Wang Ming <machel@vivo.com>
> ---
> drivers/bus/mvebu-mbus.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
> index 00cb792bda18..4c514894cc1f 100644
> --- a/drivers/bus/mvebu-mbus.c
> +++ b/drivers/bus/mvebu-mbus.c
> @@ -993,7 +993,7 @@ static __init int mvebu_mbus_debugfs_init(void)
> return 0;
>
> s->debugfs_root = debugfs_create_dir("mvebu-mbus", NULL);
> - if (s->debugfs_root) {
> + if (!IS_ERR(s->debugfs_root)) {
No need for this check at all.
thanks,
greg k-h
prev parent reply other threads:[~2023-08-04 14:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-12 13:23 [PATCH v1] bus:Fix error checking for debugfs_create_dir() in mvebu_mbus_debugfs_init() Wang Ming
2023-08-04 14:08 ` Greg Kroah-Hartman [this message]
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