diff options
| author | Gregory Greenman <gregory.greenman@intel.com> | 2021-03-26 13:57:22 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-04-06 13:26:25 +0300 |
| commit | 39fb06f791429eaee8374ef12634c0fbf68a5a9f (patch) | |
| tree | 0db9f8f84ca4f8dfecc6694967635094dbd675d4 /drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | |
| parent | 08f4b0b1c07bcb70247931d81233fb9c59f50c35 (diff) | |
| download | linux-39fb06f791429eaee8374ef12634c0fbf68a5a9f.tar.xz | |
iwlwifi: mvm: rfi: don't lock mvm->mutex when sending config command
The mutex is already locked in iwl_mvm_mac_start.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Fixes: 21254908cbe9 ("iwlwifi: mvm: add RFI-M support")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210326125611.703288ea058d.I82a0312389032d07c3b478bef3e938e06bfa7df6@changeid
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 130760572262..34ddef97b099 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -1786,10 +1786,13 @@ static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf, return -EINVAL; /* value zero triggers re-sending the default table to the device */ - if (!op_id) + if (!op_id) { + mutex_lock(&mvm->mutex); ret = iwl_rfi_send_config_cmd(mvm, NULL); - else + mutex_unlock(&mvm->mutex); + } else { ret = -EOPNOTSUPP; /* in the future a new table will be added */ + } return ret ?: count; } |