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

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 tomersamara98@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); }