Check the right return variable

[Zhang, Yanmin]

In function dso__split_kallsyms, curr_map saves the return value of
map__new2. So check it instead of var map after the calling returns.

Signed-off-by: Zhang Yanmin <yanmin_zhang@xxxxxxxxxxxxxxx>

---

diff -Nraup linux-2.6.33/tools/perf/util/symbol.c linux-2.6.33_perf/tools/perf/util/symbol.c
--- linux-2.6.33/tools/perf/util/symbol.c	2010-02-25 02:52:17.000000000 +0800
+++ linux-2.6.33_perf/tools/perf/util/symbol.c	2010-02-25 10:12:33.000000000 +0800
@@ -503,7 +503,7 @@ static int dso__split_kallsyms(struct ds
 				return -1;
 
 			curr_map = map__new2(pos->start, dso, map->type);
-			if (map == NULL) {
+			if (curr_map == NULL) {
 				dso__delete(dso);
 				return -1;
 			}


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