From: Larry Finger <Larry.Finger@lwfinger.net>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: "Fabio M. De Francesco" <fmdefrancesco@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-staging@lists.linux.dev,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] staging: r8188eu: core: Remove rtw_mfree_all_stainfo()
Date: Wed, 4 Aug 2021 13:10:37 -0500 [thread overview]
Message-ID: <406c6f84-a2f6-1a0e-3a52-9406df41973c@lwfinger.net> (raw)
In-Reply-To: <CAP71bdUDEX=B6Km9wZO1AyHpVzqqkGNw6xNvspBz3qUABSKMEQ@mail.gmail.com>
On 8/4/21 10:09 AM, Larry Finger wrote:
> In other Realtek drivers, the while loop has a call to rtw_mfree_stainfo(psta).
> That routine does not exist in this driver, but I think it should. In a few rare
> instances, the driver leaks some memory - this missing code may explain that. In
> any case, this patch should be dropped as the fix will require testing.
After looking at the original code for several other drivers, routine
rtw_mfree_stainfo() just ends up calling a couple of routines that free a
spinlock. That operation for Windows and FreeBSD is not trivial, but for Linux,
the routine does nothing. Thus, despite its name, rtw_mfree_stainfo() does not
free anything, and it can be deleted.
The original patch is
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Larry
next prev parent reply other threads:[~2021-08-04 18:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-02 0:55 [PATCH] staging: r8188eu: core: Remove rtw_mfree_all_stainfo() Fabio M. De Francesco
2021-08-04 13:01 ` Dan Carpenter
2021-08-04 15:12 ` Fabio M. De Francesco
[not found] ` <CAP71bdUDEX=B6Km9wZO1AyHpVzqqkGNw6xNvspBz3qUABSKMEQ@mail.gmail.com>
2021-08-04 18:10 ` Larry Finger [this message]
2021-08-05 10:28 ` Dan Carpenter
2021-08-05 11:47 ` Fabio M. De Francesco
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