1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 4b3eb785dcb2..ba3ab04c1fba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -87,6 +87,15 @@ const struct iwl3945_rate_info iwl3945_rates[IWL_RATE_COUNT_3945] = {
         IWL_DECLARE_RATE_INFO(54, 48, INV, 48, INV, 48, INV),/* 54mbps */
 };
 
+static inline u8 iwl3945_get_prev_ieee_rate(u8 rate_index)
+{
+        u8 rate = iwl3945_rates[rate_index].prev_ieee;
+
+        if (rate == IWL_RATE_INVALID)
+                rate = rate_index;
+        return rate;
+}
+
 /* 1 = enable the iwl3945_disable_events() function */
 #define IWL_EVT_DISABLE (0)
 #define IWL_EVT_DISABLE_SIZE (1532/32)