From 0af0d04b8db7712498558541cbedeeebdbabf70f Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Mon, 26 Apr 2010 16:08:27 -0700 Subject: [PATCH] iwlwifi: give correct return information for tx power debugfs Return -EAGAIN when request tx power information and uCode is not ready; so it will not confuse with tx power information not available. Signed-off-by: Wey-Yi Guy Signed-off-by: Reinette Chatre --- drivers/net/wireless/iwlwifi/iwl-debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index df34c31..06905bb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -1225,7 +1225,7 @@ static ssize_t iwl_dbgfs_chain_tx_power_read(struct file *file, struct statistics_tx *tx; if (!iwl_is_alive(priv)) - pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); + return -EAGAIN; else { tx = &priv->statistics.tx; if (tx->tx_power.ant_a || -- 2.7.4