[PATCH 2/3] staging: androind: Add error handling to ion_page_pool_shrink

[Tomer Samara]

Add error check to ion_page_pool_shrink after calling
ion_page_pool_remove, due to converting BUG_ON to WARN_ON.

Signed-off-by: Tomer Samara <tomersamar...@gmail.com>
---
 drivers/staging/android/ion/ion_page_pool.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/android/ion/ion_page_pool.c 
b/drivers/staging/android/ion/ion_page_pool.c
index 4acc0eebf781..c61548ecf7f2 100644
--- a/drivers/staging/android/ion/ion_page_pool.c
+++ b/drivers/staging/android/ion/ion_page_pool.c
@@ -128,6 +128,8 @@ int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t 
gfp_mask,
                        break;
                }
                mutex_unlock(&pool->mutex);
+               if (!page)
+                       break;
                ion_page_pool_free_pages(pool, page);
                freed += (1 << pool->order);
        }
-- 
2.25.1