[PATCH] fbdev: auo_k190x: Use zeroing memory allocator than allocator/memset

From: Himanshu Jha
Date: Sun Dec 31 2017 - 07:26:26 EST


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@xxxxxxxxxx>
Signed-off-by: Himanshu Jha <himanshujha199640@xxxxxxxxx>
---
drivers/video/fbdev/auo_k190x.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/auo_k190x.c b/drivers/video/fbdev/auo_k190x.c
index 0d060383..b889401 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;

--
2.7.4