iwlwifi: mvm: rfi: don't lock mvm->mutex when sending config command

[linux-2.6-microblaze.git] / drivers / net / wireless / intel / iwlwifi / mvm / debugfs.c

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 1307605..34ddef9 100644 (file)
--- 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;
 }