linux-kernel - [PATCH 2/2] scsi: hpsa: Simplify {clear|set}

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Message-Id: <c3429a22023f58e5e5cc65d6cd7e83fb2bd9b870.1658340442.git.christophe.jaillet@wanadoo.fr>
Date:   Wed, 20 Jul 2022 20:14:02 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Don Brace <don.brace@...rochip.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        storagedev@...rochip.com, linux-scsi@...r.kernel.org
Subject: [PATCH 2/2] scsi: hpsa: Simplify {clear|set}_bit() parameters

{clear|set}_bit() can take an almost arbitrarily large bit number, so there
is no need to manually compute addresses. This is just redundant.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/scsi/hpsa.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 0612ca681200..f8e832b1bc46 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -6233,8 +6233,7 @@ static struct CommandList *cmd_alloc(struct ctlr_info *h)
 			offset = (i + 1) % HPSA_NRESERVED_CMDS;
 			continue;
 		}
-		set_bit(i & (BITS_PER_LONG - 1),
-			h->cmd_pool_bits + (i / BITS_PER_LONG));
+		set_bit(i, h->cmd_pool_bits);
 		break; /* it's ours now. */
 	}
 	hpsa_cmd_partial_init(h, i, c);
@@ -6261,8 +6260,7 @@ static void cmd_free(struct ctlr_info *h, struct CommandList *c)
 		int i;
 
 		i = c - h->cmd_pool;
-		clear_bit(i & (BITS_PER_LONG - 1),
-			  h->cmd_pool_bits + (i / BITS_PER_LONG));
+		clear_bit(i, h->cmd_pool_bits);
 	}
 }
 
-- 
2.34.1