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From: Luca Coelho <luca@coelho.fi>
To: kvalo@codeaurora.org
Cc: linux-wireless@vger.kernel.org
Subject: [PATCH for v5.11 02/12] iwlwifi: mvm: take mutex for calling iwl_mvm_get_sync_time()
Date: Fri, 15 Jan 2021 13:05:48 +0200
Message-ID: <iwlwifi.20210115130252.4bb5ccf881a6.I62973cbb081e80aa5b0447a5c3b9c3251a65cf6b@changeid> (raw)
In-Reply-To: <20210115110558.1248847-1-luca@coelho.fi>

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

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>
---
 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 573e46956c14..38d0bfb649cc 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -459,7 +459,10 @@ 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);
-- 
2.29.2


  parent reply index

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-15 11:05 [PATCH for v5.11 00/12] iwlwifi: fixes intended for v5.10 2020-12-02 Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 01/12] iwlwifi: mvm: skip power command when unbinding vif during CSA Luca Coelho
2021-01-25 13:54   ` Kalle Valo
2021-01-15 11:05 ` Luca Coelho [this message]
2021-01-15 11:05 ` [PATCH for v5.11 03/12] iwlwifi: pcie: avoid potential PNVM leaks Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 04/12] iwlwifi: pnvm: don't skip everything when not reloading Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 05/12] iwlwifi: pnvm: don't try to load after failures Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 06/12] iwlwifi: fix the NMI flow for old devices Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 07/12] iwlwifi: queue: don't crash if txq->entries is NULL Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 08/12] iwlwifi: pcie: set LTR on more devices Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 09/12] iwlwifi: pcie: add a NULL check in iwl_pcie_txq_unmap Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 10/12] iwlwifi: pcie: fix context info memory leak Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 11/12] iwlwifi: pcie: use jiffies for memory read spin time limit Luca Coelho
2021-01-18 15:16   ` Kalle Valo
2021-01-18 15:18     ` Kalle Valo
2021-01-18 15:51       ` Luca Coelho
2021-01-15 11:05 ` [PATCH for v5.11 12/12] iwlwifi: pcie: reschedule in long-running memory reads Luca Coelho

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