Need to lock the res_mutex when traversing the res_list.

Signed-off-by: Mike Chan <m...@android.com>
---
 arch/arm/plat-omap/resource.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-omap/resource.c b/arch/arm/plat-omap/resource.c
index 25072cd..4631912 100644
--- a/arch/arm/plat-omap/resource.c
+++ b/arch/arm/plat-omap/resource.c
@@ -234,11 +234,13 @@ int resource_refresh(void)
        struct shared_resource *resp = NULL;
        int ret = 0;
 
+       down(&res_mutex);
        list_for_each_entry(resp, &res_list, node) {
                ret = update_resource_level(resp);
                if (ret)
                        break;
        }
+       up(&res_mutex);
        return ret;
 }
 
-- 
1.5.4.5

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