From: Kalle Valo <kvalo@kernel.org>
To: Lingbo Kong <quic_lingbok@quicinc.com>
Cc: Ramya Gnanasekar <quic_rgnanase@quicinc.com>,
<ath12k@lists.infradead.org>, <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH v2 3/5] wifi: ath12k: Fix Pdev id in HTT stats request for WCN7850
Date: Thu, 23 May 2024 15:55:24 +0300 [thread overview]
Message-ID: <87ed9sbscj.fsf@kernel.org> (raw)
In-Reply-To: <667cea80-9b62-4ca4-9d28-c5940582832a@quicinc.com> (Lingbo Kong's message of "Thu, 23 May 2024 20:34:51 +0800")
Lingbo Kong <quic_lingbok@quicinc.com> writes:
>>> +struct ath12k_vif *ath12k_mac_get_vif_up(struct ath12k_base *ab)
>>> +{
>>> + struct ath12k *ar;
>>> + struct ath12k_pdev *pdev;
>>> + struct ath12k_vif *arvif;
>>> + int i;
>>> +
>>> + for (i = 0; i < ab->num_radios; i++) {
>>> + pdev = &ab->pdevs[i];
>>> + ar = pdev->ar;
>>> + list_for_each_entry(arvif, &ar->arvifs, list) {
>>> + if (arvif->is_up)
>>> + return arvif;
>>> + }
>>> + }
>>> +
>>> + return NULL;
>>> +}
>> I'm not seeing any protection here, is that on purpose?
>
> you means there need to add lockdep_assert_held(&ar->conf_mutex)?
I mean what's the locking design here? Is it safe to concurrectly access
ab->pdevs and arvif->is_up?
--
https://patchwork.kernel.org/project/linux-wireless/list/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
next prev parent reply other threads:[~2024-05-23 12:55 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-10 5:08 [PATCH v2 0/5] wifi: ath12k: Add support to enable debugfs_htt_stats Ramya Gnanasekar
2024-05-10 5:08 ` [PATCH v2 1/5] " Ramya Gnanasekar
2024-05-10 19:53 ` Jeff Johnson
2024-05-21 7:49 ` Kalle Valo
2024-05-27 10:42 ` Ramya Gnanasekar
2024-05-10 5:08 ` [PATCH v2 2/5] wifi: ath12k: Add htt_stats_dump file ops support Ramya Gnanasekar
2024-05-10 19:53 ` Jeff Johnson
2024-05-21 7:53 ` Kalle Valo
2024-05-10 5:08 ` [PATCH v2 3/5] wifi: ath12k: Fix Pdev id in HTT stats request for WCN7850 Ramya Gnanasekar
2024-05-10 19:53 ` Jeff Johnson
2024-05-21 7:57 ` Kalle Valo
2024-05-23 12:34 ` Lingbo Kong
2024-05-23 12:55 ` Kalle Valo [this message]
2024-05-23 14:04 ` Lingbo Kong
2024-05-10 5:08 ` [PATCH v2 4/5] wifi: ath12k: Add support to parse requested stats_type Ramya Gnanasekar
2024-05-10 19:53 ` Jeff Johnson
2024-05-10 5:08 ` [PATCH v2 5/5] wifi: ath12k: Dump additional Tx PDEV HTT stats Ramya Gnanasekar
2024-05-10 19:54 ` Jeff Johnson
2024-05-21 8:00 ` Kalle Valo
2024-05-27 9:38 ` Ramya Gnanasekar
2024-05-28 11:06 ` Kalle Valo
2024-05-28 16:48 ` Ramya Gnanasekar
2024-05-31 18:00 ` Kalle Valo
2024-05-31 19:05 ` Ramya Gnanasekar
2024-05-21 7:40 ` [PATCH v2 0/5] wifi: ath12k: Add support to enable debugfs_htt_stats Kalle Valo
2024-05-27 10:44 ` Ramya Gnanasekar
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