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>

4 files changed, 6 insertions, 13 deletions

diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index 32c95a0d93f3..b89d27f93d66 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 b81149eb26e5..521d1dcb4cf0 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1638,10 +1638,9 @@ static struct super_block *nfs_get_sb(struct file_system_type *fs_type,
 #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(struct file_system_type *fs_type,
                 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 a65c7b53d558..0e28189c2151 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 d6ad449041eb..92ecf24455c3 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -100,10 +100,8 @@ static inline struct nfs_write_data *nfs_commit_alloc(unsigned int pagecount)
                         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;
                         }