From: Kalle Valo <kvalo@codeaurora.org>
To: Jia-Ju Bai <baijiaju1990@gmail.com>
Cc: ath9k-devel@qca.qualcomm.com, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: wireless: ath: ath9k: Fix a possible data race in ath_chanctx_set_next
Date: Tue, 08 May 2018 17:51:11 +0300 [thread overview]
Message-ID: <87o9hqxktc.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <20180508080636.13827-1-baijiaju1990@gmail.com> (Jia-Ju Bai's message of "Tue, 8 May 2018 16:06:36 +0800")
Jia-Ju Bai <baijiaju1990@gmail.com> writes:
> The write operation to "sc->next_chan" is protected by
> the lock on line 1287, but the read operation to
> this data on line 1262 is not protected by the lock.
> Thus, there may exist a data race for "sc->next_chan".
>
> To fix this data race, the read operation to "sc->next_chan"
> should be also protected by the lock.
>
> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
I need this reviewed by someone else before I'm willing to take it.
--
Kalle Valo
next prev parent reply other threads:[~2018-05-08 14:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-08 8:06 [PATCH] net: wireless: ath: ath9k: Fix a possible data race in ath_chanctx_set_next Jia-Ju Bai
2018-05-08 14:51 ` Kalle Valo [this message]
2018-05-08 15:08 ` Toke Høiland-Jørgensen
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