linux-kernel - [Outreachy][PATCH] drm/mediatek: remove cast to pointers passed to kfree

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Date:   Wed, 23 Oct 2019 14:11:07 +0300
From:   Wambui Karuga <wambui.karugax@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     linux-kernel@...r.kernel.org, ck.hu@...iatek.com,
        p.zabel@...gutronix.de, airlied@...ux.ie, daniel@...ll.ch
Subject: [Outreachy][PATCH] drm/mediatek: remove cast to pointers passed to kfree

Remove unnecessary casts to pointer types passed to kfree.
Issue detected by coccinelle:
@@
type t1;
expression *e;
@@

-kfree((t1 *)e);
+kfree(e);

Signed-off-by: Wambui Karuga <wambui.karugax@...il.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_gem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
index ca672f1d140d..b04a3c2b111e 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
@@ -271,7 +271,7 @@ void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj)
 			       pgprot_writecombine(PAGE_KERNEL));
 
 out:
-	kfree((void *)sgt);
+	kfree(sgt);
 
 	return mtk_gem->kvaddr;
 }
@@ -285,5 +285,5 @@ void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
 
 	vunmap(vaddr);
 	mtk_gem->kvaddr = 0;
-	kfree((void *)mtk_gem->pages);
+	kfree(mtk_gem->pages);
 }
-- 
2.23.0