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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2022-07-20 20:13:54 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2022-09-01 00:45:12 -0400
commit5afdd990ce2ea178eb6cbd31b197cc3d12a675bf (patch)
tree3f22880b0510c146a10b385cdf3fcd280cb23369
parentde05e4843cce5f4b385f60acfa690eb94af923b8 (diff)
scsi: hpsa: Use the bitmap API to allocate bitmaps
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Link: https://lore.kernel.org/r/5f975ef43f8b7306e4ac4e2e8ce4bcd53f6092bb.1658340441.git.christophe.jaillet@wanadoo.fr Tested-by: Don Brace <don.brace@microchip.com> Acked-by: Don Brace <don.brace@microchip.com> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/hpsa.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index a47bcce3c9c7..0612ca681200 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -8030,7 +8030,7 @@ out_disable:
static void hpsa_free_cmd_pool(struct ctlr_info *h)
{
- kfree(h->cmd_pool_bits);
+ bitmap_free(h->cmd_pool_bits);
h->cmd_pool_bits = NULL;
if (h->cmd_pool) {
dma_free_coherent(&h->pdev->dev,
@@ -8052,9 +8052,7 @@ static void hpsa_free_cmd_pool(struct ctlr_info *h)
static int hpsa_alloc_cmd_pool(struct ctlr_info *h)
{
- h->cmd_pool_bits = kcalloc(DIV_ROUND_UP(h->nr_cmds, BITS_PER_LONG),
- sizeof(unsigned long),
- GFP_KERNEL);
+ h->cmd_pool_bits = bitmap_zalloc(h->nr_cmds, GFP_KERNEL);
h->cmd_pool = dma_alloc_coherent(&h->pdev->dev,
h->nr_cmds * sizeof(*h->cmd_pool),
&h->cmd_pool_dhandle, GFP_KERNEL);