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Message-ID: <1051f5ae-82de-2e52-64f5-545fa2dedff9@gmail.com>
Date: Mon, 17 Jul 2023 21:36:58 +0300
From: Tariq Toukan <ttoukan.linux@...il.com>
To: Wang Ming <machel@...o.com>, Jay Vosburgh <j.vosburgh@...il.com>,
Andy Gospodarek <andy@...yhouse.net>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Yufeng Mo <moyufeng@...wei.com>,
Guangbin Huang <huangguangbin2@...wei.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com, jay.vosburgh@...onical.com,
Tariq Toukan <tariqt@...dia.com>
Subject: Re: [PATCH net v3] net: bonding: Fix error checking for
debugfs_create_dir()
On 17/07/2023 11:53, Wang Ming wrote:
> The debugfs_create_dir() function returns error pointers,
> it never returns NULL. Most incorrect error checks were fixed,
> but the one in bond_create_debugfs() was forgotten.
>
> Fixes: 52333512701b ("net: bonding: remove unnecessary braces")
It's not this commit to blame...
Issue was there in first place, starting in commit f073c7ca29a4
("bonding: add the debugfs facility to the bonding driver").
> Signed-off-by: Wang Ming <machel@...o.com>
> ---
> drivers/net/bonding/bond_debugfs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/bonding/bond_debugfs.c b/drivers/net/bonding/bond_debugfs.c
> index 594094526648..d4a82f276e87 100644
> --- a/drivers/net/bonding/bond_debugfs.c
> +++ b/drivers/net/bonding/bond_debugfs.c
> @@ -88,7 +88,7 @@ void bond_create_debugfs(void)
> {
> bonding_debug_root = debugfs_create_dir("bonding", NULL);
>
> - if (!bonding_debug_root)
> + if (IS_ERR(bonding_debug_root))
> pr_warn("Warning: Cannot create bonding directory in debugfs\n");
> }
>
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