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irqchip/alpine-msi: Switch to bitmap_zalloc()

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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@linux.intel.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210618151657.65305-2-andriy.shevchenko@linux.intel.com
This commit is contained in:
Andy Shevchenko 2021-06-18 18:16:52 +03:00 committed by Marc Zyngier
parent 4cad4da079
commit 3f1808f63f
1 changed files with 2 additions and 4 deletions
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6
drivers/irqchip/irq-alpine-msi.c
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@ -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;