[PATCH] perf tools: Fix session init on non-modular kernels

[Ingo Molnar]

perf top and perf record refuses to initialize on non-modular kernels:
refuse to initialize:

 $ perf top -v
  map_groups__set_modules_path_dir: cannot open /lib/modules/2.6.33-rc6-tip-00586-g398dde3-dirty/

Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: FrÃdÃric Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
LKML-Reference: <1265223128-11786-1-git-send-email-acme@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 tools/perf/util/symbol.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index a60ba2b..6882e9f 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1937,7 +1937,7 @@ int map_groups__create_kernel_maps(struct map_groups *self,
 		return -1;
 
 	if (symbol_conf.use_modules && map_groups__create_modules(self) < 0)
-		return -1;
+		return 0;
 	/*
 	 * Now that we have all the maps created, just set the ->end of them:
 	 */
--
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