rt2x00: Fix tx parameter initialization

Check if the aifs, cw_min and cw_max are above 0
when determining if the default should be used.
Tor aifs a negative number is used to determine
if the default should be used or not.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 411ed5d08598..380cc5b33131 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -396,17 +396,17 @@ int rt2x00mac_conf_tx(struct ieee80211_hw *hw, int queue_idx,
          * The passed variables are stored as real value ((2^n)-1).
          * Ralink registers require to know the bit number 'n'.
          */
-        if (params->cw_min)
+        if (params->cw_min > 0)
                 queue->cw_min = fls(params->cw_min);
         else
                 queue->cw_min = 5; /* cw_min: 2^5 = 32. */
 
-        if (params->cw_max)
+        if (params->cw_max > 0)
                 queue->cw_max = fls(params->cw_max);
         else
                 queue->cw_max = 10; /* cw_min: 2^10 = 1024. */
 
-        if (params->aifs)
+        if (params->aifs >= 0)
                 queue->aifs = params->aifs;
         else
                 queue->aifs = 2;