[PATCH] acpi: respect const qualifier

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This patch fixes next warning:

<------------------------------- cut here --------------------------------->
drivers/acpi/property.c: In function ‘acpi_free_properties’:
drivers/acpi/property.c:35:2: warning: passing argument 1 of ‘acpi_os_free’
                              discards ‘const’ qualifier from pointer
                              target type [enabled by default]

  ACPI_FREE(adev->properties);
<------------------------------- cut here --------------------------------->

The problem is next:

 - acpi_free_properties() calls ACPI_FREE(), passing "const *"
   parameter to it
 - ACPI_FREE() is macro for acpi_os_free()
 - acpi_os_free() takes "void *" parameter
 - acpi_os_free() calls kfree()
 - but kfree() requires "const void *" parameter

So acpi_os_free() should require "const void *" parameter as well.

Signed-off-by: Semen Protsenko <semen.protsenko@xxxxxxxxxx>
---
 include/acpi/platform/aclinux.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 93c55ed..c6fa763 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -174,7 +174,7 @@ static inline void *acpi_os_allocate_zeroed(acpi_size size)
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
 #define USE_NATIVE_ALLOCATE_ZEROED
 
-static inline void acpi_os_free(void *memory)
+static inline void acpi_os_free(const void *memory)
 {
 	kfree(memory);
 }
-- 
1.9.1

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