From: Alex Riesen <raa.lkml@gmail.com>
Date: Fri, 12 Oct 2007 20:40:04 +0000 (+0200)
Subject: Fix a crash in ls-remote when refspec expands into nothing
X-Git-Tag: v1.5.4-rc0~292^2~23
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=8f70a7657a9b459d6a4a3bcb1628c0fa6a6c22e0;p=git.git

Fix a crash in ls-remote when refspec expands into nothing

Originally-by: Väinö Järvelä <v@pp.inet.fi>
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
---

diff --git a/remote.c b/remote.c
index e2ca4d32b..b20e2be43 100644
--- a/remote.c
+++ b/remote.c
@@ -909,7 +909,8 @@ int get_fetch_map(struct ref *remote_refs,
 			    rm->peer_ref->name);
 	}
 
-	tail_link_ref(ref_map, tail);
+	if (ref_map)
+		tail_link_ref(ref_map, tail);
 
 	return 0;
 }