Replace destruction paths with simple returns before the test cgroup is
created, there is nothing to free or destroy at that point.
Remove pointless check, stored_pages is a size_t and cannot be < 0.
Fixes: a549f9f31561 ("selftests: cgroup: add test_zswap with no kmem bypass test")
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Domenico Cerasuolo <cerasuolodomenico@xxxxxxxxx>
---
tools/testing/selftests/cgroup/test_zswap.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/tools/testing/selftests/cgroup/test_zswap.c b/tools/testing/selftests/cgroup/test_zswap.c
index 49def87a909b..5257106776d5 100644
--- a/tools/testing/selftests/cgroup/test_zswap.c
+++ b/tools/testing/selftests/cgroup/test_zswap.c
@@ -178,10 +178,10 @@ static int test_no_kmem_bypass(const char *root)
/* Set up test memcg */
if (cg_write(root, "cgroup.subtree_control", "+memory"))
- goto out;
+ return KSFT_FAIL;
test_group = cg_name(root, "kmem_bypass_test");
if (!test_group)
- goto out;
+ return KSFT_FAIL;
/* Spawn memcg child and wait for it to allocate */
set_min_free_kb(min_free_kb_low);
@@ -208,8 +208,6 @@ static int test_no_kmem_bypass(const char *root)
free(trigger_allocation);
if (get_zswap_stored_pages(&stored_pages))
break;
- if (stored_pages < 0)
- break;
/* If memory was pushed to zswap, verify it belongs to memcg */
if (stored_pages > stored_pages_threshold) {
int zswapped = cg_read_key_long(test_group, "memory.stat", "zswapped ");
--
2.34.1
