Patchwork [01/17,trivial] powerpc: Remove unnecessary casts of void ptr returning alloc function return values

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Submitter Jesper Juhl
Date Nov. 8, 2010, 11:07 p.m.
Message ID <alpine.LNX.2.00.1011082307330.23697@swampdragon.chaosbits.net>
Download mbox | patch
Permalink /patch/70475/
State Accepted
Commit ae9fd31a3668ca97e8f37698b927ae7c0b70807a
Delegated to: Benjamin Herrenschmidt
Headers show

Comments

Jesper Juhl - Nov. 8, 2010, 11:07 p.m.
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>
---
 pgtable_32.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index a87ead0..d1833ed 100644
--- 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);