linux-kernel - [PATCH] net: tipc: name_table: Replace GFP_ATOMIC with GFP_KERNEL in tipc_nametbl

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Message-Id: <20180727092825.7370-1-baijiaju1990@gmail.com>
Date:   Fri, 27 Jul 2018 17:28:25 +0800
From:   Jia-Ju Bai <baijiaju1990@...il.com>
To:     jon.maloy@...csson.com, ying.xue@...driver.com, davem@...emloft.net
Cc:     netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Jia-Ju Bai <baijiaju1990@...il.com>
Subject: [PATCH] net: tipc: name_table: Replace GFP_ATOMIC with GFP_KERNEL in tipc_nametbl_init()

tipc_nametbl_init() is never called in atomic context.
It calls kzalloc() with GFP_ATOMIC, which is not necessary.
GFP_ATOMIC can be replaced with GFP_KERNEL.

This is found by a static analysis tool named DCNS written by myself.

Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com>
---
 net/tipc/name_table.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index dd1c4fa2eb78..960aa21444cf 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -731,7 +731,7 @@ int tipc_nametbl_init(struct net *net)
 	struct name_table *nt;
 	int i;
 
-	nt = kzalloc(sizeof(*nt), GFP_ATOMIC);
+	nt = kzalloc(sizeof(*nt), GFP_KERNEL);
 	if (!nt)
 		return -ENOMEM;
 
-- 
2.17.0