Thread (10 messages) 10 messages, 3 authors, 2021-11-23

Re: [PATCH 4/4] scsi: pm80xx: Use bitmap_zalloc() for tags bitmap allocation

From: Jinpu Wang <jinpu.wang@ionos.com>
Date: 2021-11-02 07:09:15

On Tue, Nov 2, 2021 at 12:29 AM Igor Pylypiv [off-list ref] wrote:
We used to allocate X bytes while we only need X bits.

Reviewed-by: Vishakha Channapattan <redacted>
Signed-off-by: Igor Pylypiv <redacted>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Thanks
quoted hunk ↗ jump to hunk
---
 drivers/scsi/pm8001/pm8001_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 47db7e0beae6..9935cf20b93d 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -178,7 +178,7 @@ static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
        }
        PM8001_CHIP_DISP->chip_iounmap(pm8001_ha);
        flush_workqueue(pm8001_wq);
-       kfree(pm8001_ha->tags);
+       bitmap_free(pm8001_ha->tags);
        kfree(pm8001_ha);
 }
@@ -1193,7 +1193,7 @@ pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha, struct Scsi_Host *shost,
        can_queue = ccb_count - PM8001_RESERVE_SLOT;
        shost->can_queue = can_queue;

-       pm8001_ha->tags = kzalloc(ccb_count, GFP_KERNEL);
+       pm8001_ha->tags = bitmap_zalloc(ccb_count, GFP_KERNEL);
        if (!pm8001_ha->tags)
                goto err_out;

--
2.33.1.1089.g2158813163f-goog
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