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From: Christian Schoenebeck <linux_oss@crudebyte.com>
To: ericvh@kernel.org, lucho@ionkov.net, asmadeus@codewreck.org,
	m.grzeschik@pengutronix.de, yuehaibing@huawei.com,
	gregkh@linuxfoundation.org, Yue Haibing <yuehaibing@huawei.com>
Cc: v9fs@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 9p/trans_usbg: Fix incorrect error check in usb9pfs_alloc_instance()
Date: Sat, 19 Oct 2024 13:58:37 +0200	[thread overview]
Message-ID: <1854979.Kn10jCkGcg@silver> (raw)
In-Reply-To: <20241019092302.212221-1-yuehaibing@huawei.com>

On Saturday, October 19, 2024 11:23:02 AM CEST Yue Haibing wrote:
> kzalloc() should use NULL check not a IS_ERR() check.
> 
> Fixes: a3be076dc174 ("net/9p/usbg: Add new usb gadget function transport")
> Signed-off-by: Yue Haibing <yuehaibing@huawei.com>

Reviewed-by: Christian Schoenebeck <linux_oss@crudebyte.com>

> ---
>  net/9p/trans_usbg.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/net/9p/trans_usbg.c b/net/9p/trans_usbg.c
> index 975b76839dca..6b694f117aef 100644
> --- a/net/9p/trans_usbg.c
> +++ b/net/9p/trans_usbg.c
> @@ -909,9 +909,9 @@ static struct usb_function_instance *usb9pfs_alloc_instance(void)
>  	usb9pfs_opts->buflen = DEFAULT_BUFLEN;
>  
>  	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
> -	if (IS_ERR(dev)) {
> +	if (!dev) {
>  		kfree(usb9pfs_opts);
> -		return ERR_CAST(dev);
> +		return ERR_PTR(-ENOMEM);
>  	}
>  
>  	usb9pfs_opts->dev = dev;
> 



      reply	other threads:[~2024-10-19 12:25 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-19  9:23 [PATCH] 9p/trans_usbg: Fix incorrect error check in usb9pfs_alloc_instance() Yue Haibing
2024-10-19 11:58 ` Christian Schoenebeck [this message]

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