[PATCH 1/5] binder: Fix selftest page indexing

Tiffany Yang posted 5 patches 3 months, 1 week ago
There is a newer version of this series
[PATCH 1/5] binder: Fix selftest page indexing
Posted by Tiffany Yang 3 months, 1 week ago
The binder allocator selftest was only checking the last page of buffers
that ended on a page boundary. Correct the page indexing to account for
buffers that are not page-aligned.

Signed-off-by: Tiffany Yang <ynaffit@google.com>
---
 drivers/android/binder_alloc_selftest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/android/binder_alloc_selftest.c b/drivers/android/binder_alloc_selftest.c
index c88735c54848..486af3ec3c02 100644
--- a/drivers/android/binder_alloc_selftest.c
+++ b/drivers/android/binder_alloc_selftest.c
@@ -142,12 +142,12 @@ static void binder_selftest_free_buf(struct binder_alloc *alloc,
 	for (i = 0; i < BUFFER_NUM; i++)
 		binder_alloc_free_buf(alloc, buffers[seq[i]]);
 
-	for (i = 0; i < end / PAGE_SIZE; i++) {
 		/**
 		 * Error message on a free page can be false positive
 		 * if binder shrinker ran during binder_alloc_free_buf
 		 * calls above.
 		 */
+	for (i = 0; i <= (end - 1) / PAGE_SIZE; i++) {
 		if (list_empty(page_to_lru(alloc->pages[i]))) {
 			pr_err_size_seq(sizes, seq);
 			pr_err("expect lru but is %s at page index %d\n",
-- 
2.50.0.727.gbf7dc18ff4-goog