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Message-ID: <4875514.GXAFRqVoOG@camazotz>
Date: Mon, 11 Mar 2024 13:58:18 -0500
From: Elizabeth Figura <zfigura@...eweavers.com>
To: Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jonathan Corbet <corbet@....net>, Shuah Khan <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
wine-devel@...ehq.org,
André Almeida <andrealmeid@...lia.com>,
Wolfram Sang <wsa@...nel.org>, Arkadiusz Hiler <ahiler@...eweavers.com>,
Peter Zijlstra <peterz@...radead.org>, Andy Lutomirski <luto@...nel.org>,
linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org,
Randy Dunlap <rdunlap@...radead.org>
Subject: Re: [PATCH v2 04/31] ntsync: Introduce NTSYNC_IOC_WAIT_ANY.
On Monday, 19 February 2024 16:38:06 CDT Elizabeth Figura wrote:
> +static struct ntsync_obj *get_obj(struct ntsync_device *dev, int fd)
> +{
> + struct file *file = fget(fd);
> + struct ntsync_obj *obj;
> +
> + if (file->f_op != &ntsync_obj_fops) {
> + fput(file);
> + return NULL;
> + }
I just noticed during self-review that this fails to check the result of
fget() for NULL :-/
I'll fix this next revision.
> +
> + obj = file->private_data;
> + if (obj->dev != dev) {
> + fput(file);
> + return NULL;
> + }
> +
> + return obj;
> +}
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