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authorStanislaw Gruszka <sgruszka@redhat.com>2010-10-25 10:34:50 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-11-15 13:24:22 -0500
commit4beeba7dc59cc10d6a47346c857d1a64a9ec9642 (patch)
tree41c4c1fb9cc2c65840f3b0beb4ef9ce329817133 /drivers/net/wireless/iwlwifi/iwl-4965.c
parentc7317e41df30c7e04dca46360e5ebb0cb36dda45 (diff)
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-4965.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index b207e3e9299..ee9c582c8cf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1377,13 +1377,9 @@ static int iwl4965_send_tx_power(struct iwl_priv *priv)
u8 ctrl_chan_high = 0;
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
- if (test_bit(STATUS_SCANNING, &priv->status)) {
- /* If this gets hit a lot, switch it to a BUG() and catch
- * the stack trace to find out who is calling this during
- * a scan. */
- IWL_WARN(priv, "TX Power requested while scanning!\n");
+ if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status),
+ "TX Power requested while scanning!\n"))
return -EAGAIN;
- }
band = priv->band == IEEE80211_BAND_2GHZ;