[irqchip: irq/irqchip-next] irqchip/alpine-msi: Switch to bitmap_zalloc()

[irqchip-bot for Andy Shevchenko]

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     3f1808f63f0458762403549b3d975ef6e971b6e0
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/3f1808f63f0458762403549b3d975ef6e971b6e0
Author:        Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
AuthorDate:    Fri, 18 Jun 2021 18:16:52 +03:00
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Mon, 26 Jul 2021 18:01:44 +01:00

irqchip/alpine-msi: Switch to bitmap_zalloc()

Switch to bitmap_zalloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210618151657.65305-2-andriy.shevchenko@xxxxxxxxxxxxxxx
---
 drivers/irqchip/irq-alpine-msi.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-alpine-msi.c b/drivers/irqchip/irq-alpine-msi.c
index ede02dc..5ddb8e5 100644
--- a/drivers/irqchip/irq-alpine-msi.c
+++ b/drivers/irqchip/irq-alpine-msi.c
@@ -267,9 +267,7 @@ static int alpine_msix_init(struct device_node *node,
 		goto err_priv;
 	}
 
-	priv->msi_map = kcalloc(BITS_TO_LONGS(priv->num_spis),
-				sizeof(*priv->msi_map),
-				GFP_KERNEL);
+	priv->msi_map = bitmap_zalloc(priv->num_spis, GFP_KERNEL);
 	if (!priv->msi_map) {
 		ret = -ENOMEM;
 		goto err_priv;
@@ -285,7 +283,7 @@ static int alpine_msix_init(struct device_node *node,
 	return 0;
 
 err_map:
-	kfree(priv->msi_map);
+	bitmap_free(priv->msi_map);
 err_priv:
 	kfree(priv);
 	return ret;