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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Johannes Berg <johannes.berg@intel.com>,
	Luca Coelho <luciano.coelho@intel.com>,
	Kalle Valo <kvalo@codeaurora.org>,
	Sasha Levin <sashal@kernel.org>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 5.10 14/25] iwlwifi: mvm: take mutex for calling iwl_mvm_get_sync_time()
Date: Tue,  2 Feb 2021 10:06:04 -0500	[thread overview]
Message-ID: <20210202150615.1864175-14-sashal@kernel.org> (raw)
In-Reply-To: <20210202150615.1864175-1-sashal@kernel.org>

From: Johannes Berg <johannes.berg@intel.com>

[ Upstream commit 5c56d862c749669d45c256f581eac4244be00d4d ]

We need to take the mutex to call iwl_mvm_get_sync_time(), do it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210115130252.4bb5ccf881a6.I62973cbb081e80aa5b0447a5c3b9c3251a65cf6b@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index f043eefabb4ec..7b1d2dac6ceb8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -514,7 +514,10 @@ static ssize_t iwl_dbgfs_os_device_timediff_read(struct file *file,
 	const size_t bufsz = sizeof(buf);
 	int pos = 0;
 
+	mutex_lock(&mvm->mutex);
 	iwl_mvm_get_sync_time(mvm, &curr_gp2, &curr_os);
+	mutex_unlock(&mvm->mutex);
+
 	do_div(curr_os, NSEC_PER_USEC);
 	diff = curr_os - curr_gp2;
 	pos += scnprintf(buf + pos, bufsz - pos, "diff=%lld\n", diff);
-- 
2.27.0


  parent reply	other threads:[~2021-02-02 15:12 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02 15:05 [PATCH AUTOSEL 5.10 01/25] af_key: relax availability checks for skb size calculation Sasha Levin
2021-02-02 15:05 ` [PATCH AUTOSEL 5.10 02/25] regulator: core: avoid regulator_resolve_supply() race condition Sasha Levin
2021-02-02 16:12   ` Mark Brown
2021-02-03  1:04     ` Sasha Levin
2021-02-03 12:12       ` Mark Brown
2021-02-02 15:05 ` [PATCH AUTOSEL 5.10 03/25] ASoC: wm_adsp: Fix control name parsing for multi-fw Sasha Levin
2021-02-02 15:05 ` [PATCH AUTOSEL 5.10 04/25] drm/nouveau/nvif: fix method count when pushing an array Sasha Levin
2021-02-02 15:05 ` [PATCH AUTOSEL 5.10 05/25] mac80211: 160MHz with extended NSS BW in CSA Sasha Levin
2021-02-02 15:05 ` [PATCH AUTOSEL 5.10 06/25] ASoC: Intel: Skylake: Zero snd_ctl_elem_value Sasha Levin
2021-02-02 15:05 ` [PATCH AUTOSEL 5.10 07/25] chtls: Fix potential resource leak Sasha Levin
2021-02-02 15:05 ` [PATCH AUTOSEL 5.10 08/25] pNFS/NFSv4: Try to return invalid layout in pnfs_layout_process() Sasha Levin
2021-02-02 15:05 ` [PATCH AUTOSEL 5.10 09/25] pNFS/NFSv4: Improve rejection of out-of-order layouts Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 10/25] ALSA: hda: intel-dsp-config: add PCI id for TGL-H Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 11/25] ASoC: ak4458: correct reset polarity Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 12/25] ASoC: Intel: sof_sdw: set proper flags for Dell TGL-H SKU 0A5E Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 13/25] iwlwifi: mvm: skip power command when unbinding vif during CSA Sasha Levin
2021-02-02 15:06 ` Sasha Levin [this message]
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 15/25] iwlwifi: pcie: add a NULL check in iwl_pcie_txq_unmap Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 16/25] iwlwifi: pcie: fix context info memory leak Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 17/25] iwlwifi: mvm: invalidate IDs of internal stations at mvm start Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 18/25] iwlwifi: pcie: add rules to match Qu with Hr2 Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 19/25] iwlwifi: mvm: guard against device removal in reprobe Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 20/25] iwlwifi: queue: bail out on invalid freeing Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 21/25] SUNRPC: Move simple_get_bytes and simple_get_netobj into private header Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 22/25] SUNRPC: Handle 0 length opaque XDR object data properly Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 23/25] i2c: mediatek: Move suspend and resume handling to NOIRQ phase Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 24/25] blk-cgroup: Use cond_resched() when destroy blkgs Sasha Levin
2021-02-02 15:06 ` [PATCH AUTOSEL 5.10 25/25] nvme-pci: add the DISABLE_WRITE_ZEROES quirk for a SPCC device Sasha Levin

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