linux-kernel - [PATCH] sctp: dont cast void* from kmalloc()

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Date:	Sat, 13 Aug 2011 11:43:45 +0200
From:	Thomas Meyer <thomas@...3r.de>
To:	"David S. Miller" <davem@...emloft.net>,
	linux-sctp@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] sctp: dont cast void* from kmalloc()

From: Thomas Meyer <thomas@...3r.de>

 Casting (void *) value returned by kmalloc is useless
 as mentioned in Documentation/CodingStyle, Chap 14.

 The semantic patch that makes this output is available
 in scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/net/sctp/protocol.c b/net/sctp/protocol.c
--- a/net/sctp/protocol.c 2011-07-26 00:46:12.663489013 +0200
+++ b/net/sctp/protocol.c 2011-08-01 20:02:43.478907122 +0200
@@ -1337,7 +1337,7 @@ SCTP_STATIC __init int sctp_init(void)
 
 	/* Allocate and initialize the endpoint hash table.  */
 	sctp_ep_hashsize = 64;
-	sctp_ep_hashtable = (struct sctp_hashbucket *)
+	sctp_ep_hashtable =
 		kmalloc(64 * sizeof(struct sctp_hashbucket), GFP_KERNEL);
 	if (!sctp_ep_hashtable) {
 		pr_err("Failed endpoint_hash alloc\n");


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