From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 26 Mar 2013 21:10:02 +0000 (+0100)
Subject: mac80211: replace some dead code by a warning
X-Git-Tag: v3.10-rc2~34^2~21^2^2~117^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a23108248a9d41400e686becddb5584b3a3fec1e;p=platform%2Fkernel%2Flinux-exynos.git

mac80211: replace some dead code by a warning

Given the (nested) switch statements, this code can't
be reached, so make it warn instead of manipulating
the carrier state which seems purposeful.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 8c94195..63b6367 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -581,7 +581,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
 		case NL80211_IFTYPE_P2P_DEVICE:
 			break;
 		default:
-			netif_carrier_on(dev);
+			/* not reached */
+			WARN_ON(1);
 		}
 
 		/*