From dfe21582ac5ebc460dda98c67e8589dd506d02cd Mon Sep 17 00:00:00 2001
From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Wed, 1 Jun 2011 17:17:57 +0200
Subject: [PATCH] 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>
---
drivers/net/wireless/iwlegacy/iwl-4965.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/iwlegacy/iwl-4965.c b/drivers/net/wireless/iwlegacy/iwl-4965.c
index f5433c74b845..f9db25bb35c3 100644
--- a/drivers/net/wireless/iwlegacy/iwl-4965.c
+++ b/drivers/net/wireless/iwlegacy/iwl-4965.c
@@ -1543,7 +1543,7 @@ static void iwl4965_temperature_calib(struct iwl_priv *priv)
s32 temp;
temp = iwl4965_hw_get_temperature(priv);
- if (temp < 0)
+ if (IWL_TX_POWER_TEMPERATURE_OUT_OF_RANGE(temp))
return;
if (priv->temperature != temp) {
--
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