iwlagn: make iwlagn_wait_notification return error code
We're unlikely to care about the actual time spent
waiting, so make the function return an error code
which is less error prone in coding new uses.
Also, while at it, mark __must_check.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index ee7c5ba..435dd2d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -73,13 +73,9 @@
IWL_ERR(priv, "Error disabling PAN (%d)\n", ret);
iwlagn_remove_notification(priv, &disable_wait);
} else {
- signed long wait_res;
-
- wait_res = iwlagn_wait_notification(priv, &disable_wait, HZ);
- if (wait_res == 0) {
+ ret = iwlagn_wait_notification(priv, &disable_wait, HZ);
+ if (ret)
IWL_ERR(priv, "Timed out waiting for PAN disable\n");
- ret = -EIO;
- }
}
return ret;
