From: Arend van Spriel <arend.vanspriel@broadcom.com>
To: Dan Carpenter <dan.carpenter@oracle.com>,
Kalle Valo <kvalo@codeaurora.org>
Cc: Amitkumar Karwar <amit.karwar@redpinesignals.com>,
Prameela Rani Garnepudi <prameela.j04cs@gmail.com>,
Karun Eagalapati <karun256@gmail.com>,
Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>,
linux-wireless@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH v2] rsi: remove unecessary PTR_ALIGN()s
Date: Fri, 6 Apr 2018 10:45:00 +0200 [thread overview]
Message-ID: <5AC7338C.3000307@broadcom.com> (raw)
In-Reply-To: <20180406083717.GA21857@mwanda>
On 4/6/2018 10:37 AM, Dan Carpenter wrote:
> The issue here is that we allocate "data" and then set
> "data = PTR_ALIGN(data, 8);" and then we free the aligned pointer
> instead of the original pointer.
>
> kmalloc() pointers are already ARCH_SLAB_MINALIGN aligned which is 8 or
> more on everything except certain Xtensa variants. We decided that if
> the Xtensa people ever notice a bug here then we'll tell them the bug is
> on their side. ;)
I am not sure if it was decided to be a xtensa bug, but just to ignore
the issue until it would arise. Anyway, not sure if the last sentence is
useful in the commit message.
Regards,
Arend
next prev parent reply other threads:[~2018-04-06 8:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-05 11:23 [PATCH] rsi: Free the unaligned pointer Dan Carpenter
2018-04-05 11:30 ` Johannes Berg
2018-04-05 11:39 ` Dan Carpenter
2018-04-05 11:41 ` Dan Carpenter
2018-04-05 11:46 ` Johannes Berg
2018-04-05 12:23 ` Kalle Valo
2018-04-06 8:37 ` [PATCH v2] rsi: remove unecessary PTR_ALIGN()s Dan Carpenter
2018-04-06 8:45 ` Arend van Spriel [this message]
2018-04-06 9:01 ` Kalle Valo
2018-04-24 17:24 ` [v2] " Kalle Valo
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