ion: fix sparse warnings

[firefly-linux-kernel-4.4.55.git] / drivers / staging / android / ion / ion_heap.c

diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c
index 8054611e874ae83f4a55522f049a44c2394605ee..c3a213b6dcda674f773009ceab43abb677db853b 100644 (file)
--- a/drivers/staging/android/ion/ion_heap.c
+++ b/drivers/staging/android/ion/ion_heap.c
@@ -38,7 +38,7 @@ void *ion_heap_map_kernel(struct ion_heap *heap,
        struct page **tmp = pages;
 
        if (!pages)
-               return 0;
+               return NULL;
 
        if (buffer->flags & ION_FLAG_CACHED)
                pgprot = PAGE_KERNEL;
@@ -193,7 +193,7 @@ size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size)
        return total_drained;
 }
 
-int ion_heap_deferred_free(void *data)
+static int ion_heap_deferred_free(void *data)
 {
        struct ion_heap *heap = data;