linux-kernel - [PATCH 2/2] RDMA/rtrs-clt: Use bitmap

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Message-Id: <b71ccfaf4a47dee8e1ad373604c861479d499b6b.1657298747.git.christophe.jaillet@wanadoo.fr>
Date:   Fri,  8 Jul 2022 18:47:37 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     "Md. Haris Iqbal" <haris.iqbal@...os.com>,
        Jack Wang <jinpu.wang@...os.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Leon Romanovsky <leon@...nel.org>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-rdma@...r.kernel.org
Subject: [PATCH 2/2] RDMA/rtrs-clt: Use bitmap_empty()

Use bitmap_empty() instead of hand-writing them.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/infiniband/ulp/rtrs/rtrs-clt.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index 06c27a3d83f5..8441f0965b56 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -1433,12 +1433,10 @@ static int alloc_permits(struct rtrs_clt_sess *clt)
 
 static void free_permits(struct rtrs_clt_sess *clt)
 {
-	if (clt->permits_map) {
-		size_t sz = clt->queue_depth;
-
+	if (clt->permits_map)
 		wait_event(clt->permits_wait,
-			   find_first_bit(clt->permits_map, sz) >= sz);
-	}
+			   bitmap_empty(clt->permits_map, clt->queue_depth));
+
 	bitmap_free(clt->permits_map);
 	clt->permits_map = NULL;
 	kfree(clt->permits);
-- 
2.34.1