1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c
index 724b760404f..1e714bb48d3 100644
--- a/drivers/video/omap2/omapfb/omapfb-sysfs.c
+++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c
@@ -452,7 +452,7 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr,
 
         rg = ofbi->region;
 
-        down_write(&rg->lock);
+        down_write_nested(&rg->lock, rg->id);
 
         if (atomic_read(&rg->map_count)) {
                 r = -EBUSY;