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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2010-04-26 16:08:27 -0700
committerReinette Chatre <reinette.chatre@intel.com>2010-05-10 15:08:49 -0700
commit0af0d04b8db7712498558541cbedeeebdbabf70f (patch)
tree601dd26725cbfa6ac50c5f88dff8f096b899ad58 /drivers/net
parent65d1f89682acf4d61dec7a8b771ed34afb7c17d9 (diff)
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 <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index df34c3105e1..06905bb9238 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 ||