ACPI / property: 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 <[email protected]>
Reviewed-by: Lukas Wunner <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>

diff --git a/drivers/acpi/x86/apple.c b/drivers/acpi/x86/apple.c
index 51b4cf9f25da9686d4014e743ef387df0829f93c..bb1984f6c9fe4fc65fb4bbf5234318393902775e 100644 (file)
--- 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);
 }