[PATCH bpf-next 4/4] selftests/bpf: libarena: Make zero variable type __u32 instead of u32

[Emil Tsalapatis <emil@etsalapatis.com>]

Change the zero variable used for loop convergence to the user-visible
__u32 type to avoid missing type issues when including the skeleton
in userspace.

Signed-off-by: Emil Tsalapatis <emil@etsalapatis.com>
---
 tools/testing/selftests/bpf/libarena/include/libarena/common.h | 2 +-
 tools/testing/selftests/bpf/libarena/src/common.bpf.c          | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/libarena/include/libarena/common.h b/tools/testing/selftests/bpf/libarena/include/libarena/common.h
index a6220355a697..940e82cc2928 100644
--- a/tools/testing/selftests/bpf/libarena/include/libarena/common.h
+++ b/tools/testing/selftests/bpf/libarena/include/libarena/common.h
@@ -43,7 +43,7 @@ struct {
  * imprecise. To force the variable to be imprecise, initialize it with
  * the opaque volatile variable 0 instead of the constant 0.
  */
-volatile u32 zero __weak;
+volatile __u32 zero __weak;
 extern volatile u64 asan_violated;
 
 int arena_fls(__u64 word);
diff --git a/tools/testing/selftests/bpf/libarena/src/common.bpf.c b/tools/testing/selftests/bpf/libarena/src/common.bpf.c
index d859bd538c52..c3c5326d8ca2 100644
--- a/tools/testing/selftests/bpf/libarena/src/common.bpf.c
+++ b/tools/testing/selftests/bpf/libarena/src/common.bpf.c
@@ -7,7 +7,7 @@
 #include <libarena/buddy.h>
 
 struct buddy __arena buddy;
-volatile u32 zero = 0;
+volatile __u32 zero = 0;
 
 /*
  * Storage for the queue nodes declared by bpf_arena_spin_lock.h. Each program
-- 
2.52.0