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iwl4965: correctly validate temperature value 

In some cases we can read wrong temperature value. If after that
temperature value will not be updated to good one, we badly configure
tx power parameters and device is unable to send a data.

Resolves:
https://bugzilla.kernel.org/show_bug.cgi?id=35932

Cc: stable@kernel.org # 2.6.39+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stanislaw Gruszka 2011-06-01 17:17:57 +02:00 committed by John W. Linville
parent a7567b2059
commit dfe21582ac
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/iwlegacy/iwl-4965.c
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@ -1543,7 +1543,7 @@ static void iwl4965_temperature_calib(struct iwl_priv *priv)
s32 temp; s32 temp;
temp = iwl4965_hw_get_temperature(priv); temp = iwl4965_hw_get_temperature(priv);
if (temp < 0) if (IWL_TX_POWER_TEMPERATURE_OUT_OF_RANGE(temp))
return; return;
if (priv->temperature != temp) { if (priv->temperature != temp) {