[PATCH v1] ACPI / property: 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@xxxxxxxxxxxxxxx>
---

- requires immutable branch [1] to be pulled first
[1]: git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git ib/4.17-bitmap

 drivers/acpi/x86/apple.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/x86/apple.c b/drivers/acpi/x86/apple.c
index 51b4cf9f25da..bb1984f6c9fe 100644
--- a/drivers/acpi/x86/apple.c
+++ b/drivers/acpi/x86/apple.c
@@ -62,7 +62,7 @@ void acpi_extract_apple_properties(struct acpi_device *adev)
 	if (!numprops)
 		goto out_free;
 
-	valid = kcalloc(BITS_TO_LONGS(numprops), sizeof(long), GFP_KERNEL);
+	valid = bitmap_zalloc(numprops, GFP_KERNEL);
 	if (!valid)
 		goto out_free;
 
@@ -137,5 +137,5 @@ void acpi_extract_apple_properties(struct acpi_device *adev)
 
 out_free:
 	ACPI_FREE(props);
-	kfree(valid);
+	bitmap_free(valid);
 }
-- 
2.18.0

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