From: Himanshu Jha <himanshujha199640@gmail.com>
Date: Thu, 4 Jan 2018 15:53:50 +0000 (+0100)
Subject: fbdev: auo_k190x: Use zeroing memory allocator instead of allocator/memset
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f950bc7880b31cfede87d99fbc4fd4d2b40914c5;p=openwrt%2Fstaging%2Fblogic.git

fbdev: auo_k190x: Use zeroing memory allocator instead of allocator/memset

Use vzalloc for allocating zeroed memory and remove unnecessary
memset function.

Done using Coccinelle.
Generated-by scripts/coccinelle/api/alloc/kzalloc-simple.cocci.
0-day tested with no failures.

Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
[b.zolnierkie: fixed minor issues in the patch description]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---

diff --git a/drivers/video/fbdev/auo_k190x.c b/drivers/video/fbdev/auo_k190x.c
index 0d06038324e0..b8894013014b 100644
--- a/drivers/video/fbdev/auo_k190x.c
+++ b/drivers/video/fbdev/auo_k190x.c
@@ -1056,13 +1056,12 @@ int auok190x_common_probe(struct platform_device *pdev,
 	/* videomemory handling */
 
 	videomemorysize = roundup((panel->w * panel->h) * 2, PAGE_SIZE);
-	videomemory = vmalloc(videomemorysize);
+	videomemory = vzalloc(videomemorysize);
 	if (!videomemory) {
 		ret = -ENOMEM;
 		goto err_irq;
 	}
 
-	memset(videomemory, 0, videomemorysize);
 	info->screen_base = (char *)videomemory;
 	info->fix.smem_len = videomemorysize;