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-rw-r--r--tools/testing/selftests/bpf/progs/refcounted_kptr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/refcounted_kptr.c b/tools/testing/selftests/bpf/progs/refcounted_kptr.c
index 1d348a225140..a3da610b1e6b 100644
--- a/tools/testing/selftests/bpf/progs/refcounted_kptr.c
+++ b/tools/testing/selftests/bpf/progs/refcounted_kptr.c
@@ -375,6 +375,8 @@ long rbtree_refcounted_node_ref_escapes(void *ctx)
bpf_rbtree_add(&aroot, &n->node, less_a);
m = bpf_refcount_acquire(n);
bpf_spin_unlock(&alock);
+ if (!m)
+ return 2;
m->key = 2;
bpf_obj_drop(m);