From: Joshua Oreman <oremanj@rwcr.net>
Date: Thu, 6 Aug 2009 23:20:57 +0000 (-0700)
Subject: [802.11] Fix memory leak on unsuccessful probes
X-Git-Tag: v0.9.8~31
X-Git-Url: http://git.etherboot.org/people/cooldavid/gpxe.git/commitdiff_plain/fc9750a68d405480b5da0e8989836ba91a62b855

[802.11] Fix memory leak on unsuccessful probes

When a probe found no results, the list head of beacons would not be
freed, leaking 16 bytes of memory per probe.

Signed-off-by: Michael Brown <mcb30@etherboot.org>
---

diff --git a/src/net/80211/net80211.c b/src/net/80211/net80211.c
index 1b2ffd38..c46870c4 100644
--- a/src/net/80211/net80211.c
+++ b/src/net/80211/net80211.c
@@ -1521,8 +1521,7 @@ net80211_probe_finish_best ( struct net80211_probe_ctx *ctx )
 		DBGC ( ctx->dev, "802.11 %p probe: found nothing for '%s'\n",
 		       ctx->dev, ctx->essid );
 
-	if ( ! list_empty ( ctx->beacons ) )
-		net80211_free_wlanlist ( ctx->beacons );
+	net80211_free_wlanlist ( ctx->beacons );
 
 	net80211_keep_mgmt ( ctx->dev, ctx->old_keep_mgmt );