There's no need to check the return value of debug_file for it is just a
debugfs and we will go on the following process if we failed to create
debug_file. So just remove it.

Signed-off-by: Yisheng Xie <xieyishe...@huawei.com>
---
 drivers/staging/android/ion/ion.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/android/ion/ion.c 
b/drivers/staging/android/ion/ion.c
index 74d9a4e..0606d50 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -522,7 +522,6 @@ static int debug_shrink_get(void *data, u64 *val)
 
 void ion_device_add_heap(struct ion_heap *heap)
 {
-       struct dentry *debug_file;
        struct ion_device *dev = internal_dev;
        int ret;
 
@@ -556,12 +555,8 @@ void ion_device_add_heap(struct ion_heap *heap)
                char debug_name[64];
 
                snprintf(debug_name, 64, "%s_shrink", heap->name);
-               debug_file = debugfs_create_file(debug_name,
-                                                0644, dev->debug_root, heap,
-                                                &debug_shrink_fops);
-               if (!debug_file)
-                       pr_err("Failed to create ion heap shrinker debugfs at 
%s\n",
-                              debug_name);
+               debugfs_create_file(debug_name, 0644, dev->debug_root,
+                                   heap, &debug_shrink_fops);
        }
 
        dev->heap_cnt++;
-- 
1.7.12.4

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