linux-kernel - [PATCH] misc: Use kzalloc() instead of kmalloc() with flag GFP

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Date:   Mon, 23 Dec 2019 09:51:58 +0800
From:   Yi Wang <wang.yi59@....com.cn>
To:     sudeep.dutt@...el.com
Cc:     ashutosh.dixit@...el.com, arnd@...db.de,
        gregkh@...uxfoundation.org, vincent.whitchurch@...s.com,
        alexios.zavras@...el.com, tglx@...utronix.de, allison@...utok.net,
        linux-kernel@...r.kernel.org, xue.zhihong@....com.cn,
        wang.yi59@....com.cn, up2wing@...il.com, wang.liang82@....com.cn,
        Huang Zijiang <huang.zijiang@....com.cn>
Subject: [PATCH] misc: Use kzalloc() instead of kmalloc() with flag GFP_ZERO.

From: Huang Zijiang <huang.zijiang@....com.cn>

Use kzalloc instead of manually setting kmalloc
with flag GFP_ZERO since kzalloc sets allocated memory
to zero.

Signed-off-by: Huang Zijiang <huang.zijiang@....com.cn>
Signed-off-by: Yi Wang <wang.yi59@....com.cn>
---
 drivers/misc/mic/host/mic_boot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/mic/host/mic_boot.c b/drivers/misc/mic/host/mic_boot.c
index 7335759..c1f87a4 100644
--- a/drivers/misc/mic/host/mic_boot.c
+++ b/drivers/misc/mic/host/mic_boot.c
@@ -137,7 +137,7 @@ static void *__mic_dma_alloc(struct device *dev, size_t size,
     struct scif_hw_dev *scdev = dev_get_drvdata(dev);
     struct mic_device *mdev = scdev_to_mdev(scdev);
     dma_addr_t tmp;
-    void *va = kmalloc(size, gfp | __GFP_ZERO);
+void *va = kzalloc(size, gfp);
 
     if (va) {
         tmp = mic_map_single(mdev, va, size);
-- 
1.9.1