diff options
| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2010-10-25 10:34:50 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-15 13:24:22 -0500 |
| commit | 4beeba7dc59cc10d6a47346c857d1a64a9ec9642 (patch) | |
| tree | 41c4c1fb9cc2c65840f3b0beb4ef9ce329817133 /drivers/net/wireless/iwlwifi/iwl-3945.c | |
| parent | c7317e41df30c7e04dca46360e5ebb0cb36dda45 (diff) | |
| download | lwn-4beeba7dc59cc10d6a47346c857d1a64a9ec9642.tar.gz lwn-4beeba7dc59cc10d6a47346c857d1a64a9ec9642.zip | |
iwlwifi: warn when send tx power settings during scan
Add WARN_ONCE when scanning is pending. Use STATUS_SCAN_HW bit since we
can have scan canceled or completed but STATUS_SCANNING bit still set.
v1 -> v2: replace EIO to EAGAIN
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 176e52577673..4d7130c9b72c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -1451,6 +1451,10 @@ static int iwl3945_send_tx_power(struct iwl_priv *priv) }; u16 chan; + if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status), + "TX Power requested while scanning!\n")) + return -EAGAIN; + chan = le16_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.channel); txpower.band = (priv->band == IEEE80211_BAND_5GHZ) ? 0 : 1; |