From: John W. Linville <linville@tuxdriver.com>
Date: Tue, 16 Nov 2010 21:08:56 +0000 (-0500)
Subject: iwmc3200wifi: clarify potentially undefined operation in iwm_scan_ssids
X-Git-Tag: v2.6.38-rc1~476^2~405^2^2~67
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=8befba6f2262a6e31d6e3bcf7d07ff46da444ec0;p=~shefty%2Frdma-dev.git

iwmc3200wifi: clarify potentially undefined operation in iwm_scan_ssids

  CC [M]  drivers/net/wireless/iwmc3200wifi/commands.o
drivers/net/wireless/iwmc3200wifi/commands.c: In function ‘iwm_scan_ssids’:
drivers/net/wireless/iwmc3200wifi/commands.c:911:15: warning: operation on ‘iwm->scan_id’ may be undefined

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 330c7d9cf10..50dee6a0a5c 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -908,7 +908,7 @@ int iwm_scan_ssids(struct iwm_priv *iwm, struct cfg80211_ssid *ssids,
 		return ret;
 	}
 
-	iwm->scan_id = iwm->scan_id++ % IWM_SCAN_ID_MAX;
+	iwm->scan_id = (iwm->scan_id + 1) % IWM_SCAN_ID_MAX;
 
 	return 0;
 }