powerpc: Remove unnecessary casts of void ptr

Hi,

The [vk][cmz]alloc(_node) family of functions return void pointers which
it's completely unnecessary/pointless to cast to other pointer types since
that happens implicitly.

This patch removes such casts from arch/powerpc/

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 71932d000a72a5c50dee3fb1466d4da399acf9d4..8dc41c0157fe04c8e85742116381f291329f57ad 100644 (file)
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -78,7 +78,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
 
        /* pgdir take page or two with 4K pages and a page fraction otherwise */
 #ifndef CONFIG_PPC_4K_PAGES
-       ret = (pgd_t *)kzalloc(1 << PGDIR_ORDER, GFP_KERNEL);
+       ret = kzalloc(1 << PGDIR_ORDER, GFP_KERNEL);
 #else
        ret = (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO,
                        PGDIR_ORDER - PAGE_SHIFT);