[PATCH liburing v2 3/6] examples/reg-wait: use uring_ptr_to_u64() helper to convert ptr to u64

[Haiyue Wang <haiyue.wang@cloudprime.ai>]

Use the helper to handle type convertions, instead of two type
convertions by hand: '(__u64) (unsigned long)'.

Signed-off-by: Haiyue Wang <haiyue.wang@cloudprime.ai>
---
 examples/reg-wait.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/reg-wait.c b/examples/reg-wait.c
index e868f3f..4f04293 100644
--- a/examples/reg-wait.c
+++ b/examples/reg-wait.c
@@ -45,10 +45,10 @@ static int register_memory(struct io_uring *ring, void *ptr, size_t size)
 	struct io_uring_region_desc rd = {};
 	struct io_uring_mem_region_reg mr = {};
 
-	rd.user_addr = (__u64)(unsigned long)ptr;
+	rd.user_addr = uring_ptr_to_u64(ptr);
 	rd.size = size;
 	rd.flags = IORING_MEM_REGION_TYPE_USER;
-	mr.region_uptr = (__u64)(unsigned long)&rd;
+	mr.region_uptr = uring_ptr_to_u64(&rd);
 	mr.flags = IORING_MEM_REGION_REG_WAIT_ARG;
 
 	return io_uring_register_region(ring, &mr);
-- 
2.49.0