iwlagn: fix compile warning in iwl5000_gain_computation

The return type of abs() was recently changed from int to long. With
min()'s type checking we thus need to make sure that values of the same
type are compared.

This fixes:

    CC [M]  drivers/net/wireless/iwlwifi/iwl-5000.o
drivers/net/wireless/iwlwifi/iwl-5000.c: In function ‘iwl5000_gain_computation’:
drivers/net/wireless/iwlwifi/iwl-5000.c:320: warning: comparison of distinct pointer types lacks a cast

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Reported-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index eb08f4411000cdd8f430de8b0342f97dd8627521..524e7e4c51d15fbb44e5d2bb51006572aa892a24 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -317,7 +317,7 @@ static void iwl5000_gain_computation(struct iwl_priv *priv,
                        (s32)average_noise[i])) / 1500;
                /* bound gain by 2 bits value max, 3rd bit is sign */
                data->delta_gain_code[i] =
-                       min(abs(delta_g), CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
+                       min(abs(delta_g), (long) CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
 
                if (delta_g < 0)
                        /* set negative sign */