iwl-4965: test below 0 on unsigned num_tbs

num_tbs is unsigned so the test doesn't work.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index d82823b..dac34aa 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -126,7 +126,7 @@ int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *ptr,
        u32 num_tbs = IWL_GET_BITS(*tfd, num_tbs);
 
        /* Each TFD can point to a maximum 20 Tx buffers */
-       if ((num_tbs >= MAX_NUM_OF_TBS) || (num_tbs < 0)) {
+       if (num_tbs >= MAX_NUM_OF_TBS) {
                IWL_ERROR("Error can not send more than %d chunks\n",
                          MAX_NUM_OF_TBS);
                return -EINVAL;