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path: root/drivers/video/tegra
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Diffstat (limited to 'drivers/video/tegra')
-rw-r--r--drivers/video/tegra/nvmap/nvmap_dev.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/video/tegra/nvmap/nvmap_dev.c b/drivers/video/tegra/nvmap/nvmap_dev.c
index 98b0bcc18ba5..02ccaeec4965 100644
--- a/drivers/video/tegra/nvmap/nvmap_dev.c
+++ b/drivers/video/tegra/nvmap/nvmap_dev.c
@@ -886,10 +886,11 @@ static void nvmap_vma_open(struct vm_area_struct *vma)
struct nvmap_vma_priv *priv;
priv = vma->vm_private_data;
-
BUG_ON(!priv);
atomic_inc(&priv->count);
+ if(priv->handle)
+ nvmap_usecount_inc(priv->handle);
}
static void nvmap_vma_close(struct vm_area_struct *vma)
@@ -898,8 +899,8 @@ static void nvmap_vma_close(struct vm_area_struct *vma)
if (priv) {
if (priv->handle) {
+ BUG_ON(priv->handle->usecount == 0);
nvmap_usecount_dec(priv->handle);
- BUG_ON(priv->handle->usecount < 0);
}
if (!atomic_dec_return(&priv->count)) {
if (priv->handle)