[PATCH] Fix segfault in perf probe

[Ananth N Mavinakayanahalli <ananth@in.ibm.com>]

From: Ananth N Mavinakayanahalli <ananth@in.ibm.com>

Fix segfault in perf probe due to a bug introduced by commit d8639f068
(perf tools: Stop using 'self' in strlist).


Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>

---
Index: linus/tools/perf/util/strlist.c
===================================================================
--- linus.orig/tools/perf/util/strlist.c
+++ linus/tools/perf/util/strlist.c
@@ -143,7 +143,7 @@ struct strlist *strlist__new(bool dupstr
 		slist->rblist.node_delete = strlist__node_delete;
 
 		slist->dupstr	 = dupstr;
-		if (slist && strlist__parse_list(slist, list) != 0)
+		if (list && strlist__parse_list(slist, list) != 0)
 			goto out_error;
 	}