Author: Eric Sesterhenn <snakebyte@gmx.de>
NFS: kzalloc conversion in fs/nfs

this converts fs/nfs to kzalloc() usage.
compile tested with make allyesconfig

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

 fs/nfs/idmap.c  |    4 +---
 fs/nfs/inode.c  |    6 ++----
 fs/nfs/unlink.c |    3 +--
 fs/nfs/write.c  |    6 ++----
 4 files changed, 6 insertions(+), 13 deletions(-)

diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index 32c95a0..b89d27f 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -101,11 +101,9 @@ nfs_idmap_new(struct nfs4_client *clp)
 
 	if (clp->cl_idmap != NULL)
 		return;
-        if ((idmap = kmalloc(sizeof(*idmap), GFP_KERNEL)) == NULL)
+        if ((idmap = kzalloc(sizeof(*idmap), GFP_KERNEL)) == NULL)
                 return;
 
-	memset(idmap, 0, sizeof(*idmap));
-
 	snprintf(idmap->idmap_path, sizeof(idmap->idmap_path),
 	    "%s/idmap", clp->cl_rpcclient->cl_pathname);
 
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index b81149e..521d1dc 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1638,10 +1638,9 @@ static struct super_block *nfs_get_sb(st
 #endif /* CONFIG_NFS_V3 */
 
 	s = ERR_PTR(-ENOMEM);
-	server = kmalloc(sizeof(struct nfs_server), GFP_KERNEL);
+	server = kzalloc(sizeof(struct nfs_server), GFP_KERNEL);
 	if (!server)
 		goto out_err;
-	memset(server, 0, sizeof(struct nfs_server));
 	/* Zero out the NFS state stuff */
 	init_nfsv4_state(server);
 	server->client = server->client_sys = server->client_acl = ERR_PTR(-EINVAL);
@@ -1942,10 +1941,9 @@ static struct super_block *nfs4_get_sb(s
 		return ERR_PTR(-EINVAL);
 	}
 
-	server = kmalloc(sizeof(struct nfs_server), GFP_KERNEL);
+	server = kzalloc(sizeof(struct nfs_server), GFP_KERNEL);
 	if (!server)
 		return ERR_PTR(-ENOMEM);
-	memset(server, 0, sizeof(struct nfs_server));
 	/* Zero out the NFS state stuff */
 	init_nfsv4_state(server);
 	server->client = server->client_sys = server->client_acl = ERR_PTR(-EINVAL);
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index a65c7b5..0e28189 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -163,10 +163,9 @@ nfs_async_unlink(struct dentry *dentry)
 	struct rpc_clnt	*clnt = NFS_CLIENT(dir->d_inode);
 	int		status = -ENOMEM;
 
-	data = kmalloc(sizeof(*data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (!data)
 		goto out;
-	memset(data, 0, sizeof(*data));
 
 	data->cred = rpcauth_lookupcred(clnt->cl_auth, 0);
 	if (IS_ERR(data->cred)) {
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index d6ad449..92ecf24 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -100,10 +100,8 @@ static inline struct nfs_write_data *nfs
 			p->pagevec = &p->page_array[0];
 		else {
 			size_t size = ++pagecount * sizeof(struct page *);
-			p->pagevec = kmalloc(size, GFP_NOFS);
-			if (p->pagevec) {
-				memset(p->pagevec, 0, size);
-			} else {
+			p->pagevec = kzalloc(size, GFP_NOFS);
+			if (!p->pagevec) {
 				mempool_free(p, nfs_commit_mempool);
 				p = NULL;
 			}