Let's call try_cmpxchg directly for the same purpose.
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
---
drivers/infiniband/ulp/rtrs/rtrs-clt.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index c29eccdb4fd2..9586de08818f 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -2220,17 +2220,6 @@ static void rtrs_clt_stop_and_destroy_conns(struct rtrs_clt_path *clt_path)
}
}
-static inline bool xchg_paths(struct rtrs_clt_path __rcu **rcu_ppcpu_path,
- struct rtrs_clt_path *clt_path,
- struct rtrs_clt_path *next)
-{
- struct rtrs_clt_path **ppcpu_path;
-
- /* Call cmpxchg() without sparse warnings */
- ppcpu_path = (typeof(ppcpu_path))rcu_ppcpu_path;
- return clt_path == cmpxchg(ppcpu_path, clt_path, next);
-}
-
static void rtrs_clt_remove_path_from_arr(struct rtrs_clt_path *clt_path)
{
struct rtrs_clt_sess *clt = clt_path->clt;
@@ -2305,7 +2294,7 @@ static void rtrs_clt_remove_path_from_arr(struct rtrs_clt_path *clt_path)
* We race with IO code path, which also changes pointer,
* thus we have to be careful not to overwrite it.
*/
- if (xchg_paths(ppcpu_path, clt_path, next))
+ if (try_cmpxchg((typeof(ppcpu_path))ppcpu_path, &clt_path, next))
/*
* @ppcpu_path was successfully replaced with @next,
* that means that someone could also pick up the
--
2.31.1
