linux-kernel - Re: [PATCH 2/4] fib_semantics: kmalloc + memset conversion to kzalloc

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Message-ID: <000501c83016$7a3cd540$9c94fea9@jason>
Date:	Mon, 26 Nov 2007 19:24:03 +0900
From:	"Joonwoo Park" <joonwpark81@...il.com>
To:	<netdev@...r.kernel.org>
Cc:	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] fib_semantics: kmalloc + memset conversion to kzalloc

fib_semantics: kmalloc + memset conversion to kzalloc
fix to avoid memset entirely.

Thanks.
Joonwoo

Signed-off-by: Joonwoo Park <joonwpark81@...il.com>

---
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 1351a26..352f8c4 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -605,10 +605,10 @@ static inline unsigned int fib_laddr_hashfn(__be32 val)
 static struct hlist_head *fib_hash_alloc(int bytes)
 {
 	if (bytes <= PAGE_SIZE)
-		return kmalloc(bytes, GFP_KERNEL);
+		return kzalloc(bytes, GFP_KERNEL);
 	else
 		return (struct hlist_head *)
-			__get_free_pages(GFP_KERNEL, get_order(bytes));
+			__get_free_pages(GFP_KERNEL | __GFP_ZERO, get_order(bytes));
 }
 
 static void fib_hash_free(struct hlist_head *hash, int bytes)
@@ -712,12 +712,8 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
 		if (!new_info_hash || !new_laddrhash) {
 			fib_hash_free(new_info_hash, bytes);
 			fib_hash_free(new_laddrhash, bytes);
-		} else {
-			memset(new_info_hash, 0, bytes);
-			memset(new_laddrhash, 0, bytes);
-
+		} else
 			fib_hash_move(new_info_hash, new_laddrhash, new_size);
-		}
 
 		if (!fib_hash_size)
 			goto failure;
---

-
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