linux-kernel - [PATCH] xfrm: Use kmem_cache_zalloc() instead of kmem_cache_alloc() with flag GFP

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Date:   Mon, 23 Dec 2019 09:53:02 +0800
From:   Yi Wang <wang.yi59@....com.cn>
To:     steffen.klassert@...unet.com
Cc:     herbert@...dor.apana.org.au, davem@...emloft.net,
        netdev@...r.kernel.org, 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] xfrm: Use kmem_cache_zalloc() instead of kmem_cache_alloc() with flag GFP_ZERO.

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

Use kmem_cache_zalloc instead of manually setting kmem_cache_alloc
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>
---
 net/xfrm/xfrm_state.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index a5dc319..adfa279 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -612,7 +612,7 @@ struct xfrm_state *xfrm_state_alloc(struct net *net)
 {
     struct xfrm_state *x;
 
-    x = kmem_cache_alloc(xfrm_state_cache, GFP_ATOMIC | __GFP_ZERO);
+x = kmem_cache_zalloc(xfrm_state_cache, GFP_ATOMIC);
 
     if (x) {
         write_pnet(&x->xs_net, net);
-- 
1.9.1