[PATCH] fs: Conversions from kmalloc+memset to k(z|c)alloc

Conversions from kmalloc+memset to kzalloc.

Signed-off-by: Panagiotis Issaris <takis@issaris.org>
Jffs2-bit-acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

35 files changed, 43 insertions, 84 deletions

diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index 82011019494..959dbf1f8e6 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -339,11 +339,10 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent)
 
         sb->s_flags |= MS_NODIRATIME;
 
-        asb = kmalloc(sizeof(*asb), GFP_KERNEL);
+        asb = kzalloc(sizeof(*asb), GFP_KERNEL);
         if (!asb)
                 return -ENOMEM;
         sb->s_fs_info = asb;
-        memset(asb, 0, sizeof(*asb));
 
         /* set default options */
         asb->s_uid = 0;
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 17352011ab6..b35f514479b 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -280,11 +280,10 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
         sb->s_op                = &affs_sops;
         sb->s_flags |= MS_NODIRATIME;
 
-        sbi = kmalloc(sizeof(struct affs_sb_info), GFP_KERNEL);
+        sbi = kzalloc(sizeof(struct affs_sb_info), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         sb->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(*sbi));
         init_MUTEX(&sbi->s_bmlock);
 
         if (!parse_options(data,&uid,&gid,&i,&reserved,&root_block,
diff --git a/fs/afs/vlocation.c b/fs/afs/vlocation.c
index 331f730a1fb..782ee7c600c 100644
--- a/fs/afs/vlocation.c
+++ b/fs/afs/vlocation.c
@@ -281,11 +281,10 @@ int afs_vlocation_lookup(struct afs_cell *cell,
         spin_unlock(&cell->vl_gylock);
 
         /* not in the cell's in-memory lists - create a new record */
-        vlocation = kmalloc(sizeof(struct afs_vlocation), GFP_KERNEL);
+        vlocation = kzalloc(sizeof(struct afs_vlocation), GFP_KERNEL);
         if (!vlocation)
                 return -ENOMEM;
 
-        memset(vlocation, 0, sizeof(struct afs_vlocation));
         atomic_set(&vlocation->usage, 1);
         INIT_LIST_HEAD(&vlocation->link);
         rwlock_init(&vlocation->lock);
diff --git a/fs/afs/volume.c b/fs/afs/volume.c
index 0ff4b86476e..768c6dbd323 100644
--- a/fs/afs/volume.c
+++ b/fs/afs/volume.c
@@ -186,11 +186,10 @@ int afs_volume_lookup(const char *name, struct afs_cell *cell, int rwpath,
         _debug("creating new volume record");
 
         ret = -ENOMEM;
-        volume = kmalloc(sizeof(struct afs_volume), GFP_KERNEL);
+        volume = kzalloc(sizeof(struct afs_volume), GFP_KERNEL);
         if (!volume)
                 goto error_up;
 
-        memset(volume, 0, sizeof(struct afs_volume));
         atomic_set(&volume->usage, 1);
         volume->type            = type;
         volume->type_force      = force;
diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
index af2efbbb5d7..c81d6b8c282 100644
--- a/fs/autofs/inode.c
+++ b/fs/autofs/inode.c
@@ -129,10 +129,9 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
         struct autofs_sb_info *sbi;
         int minproto, maxproto;
 
-        sbi = kmalloc(sizeof(*sbi), GFP_KERNEL);
+        sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
         if ( !sbi )
                 goto fail_unlock;
-        memset(sbi, 0, sizeof(*sbi));
         DPRINTK(("autofs: starting up, sbi = %p\n",sbi));
 
         s->s_fs_info = sbi;
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index cf74f3d4d96..3e4d6c767b9 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -311,11 +311,10 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
         unsigned i, imap_len;
         struct bfs_sb_info * info;
 
-        info = kmalloc(sizeof(*info), GFP_KERNEL);
+        info = kzalloc(sizeof(*info), GFP_KERNEL);
         if (!info)
                 return -ENOMEM;
         s->s_fs_info = info;
-        memset(info, 0, sizeof(*info));
 
         sb_set_blocksize(s, BFS_BSIZE);
 
@@ -338,10 +337,9 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
                         + BFS_ROOT_INO - 1;
 
         imap_len = info->si_lasti/8 + 1;
-        info->si_imap = kmalloc(imap_len, GFP_KERNEL);
+        info->si_imap = kzalloc(imap_len, GFP_KERNEL);
         if (!info->si_imap)
                 goto out;
-        memset(info->si_imap, 0, imap_len);
         for (i=0; i<BFS_ROOT_INO; i++) 
                 set_bit(i, info->si_imap);
 
diff --git a/fs/configfs/file.c b/fs/configfs/file.c
index f499803743e..85105e50f7d 100644
--- a/fs/configfs/file.c
+++ b/fs/configfs/file.c
@@ -274,9 +274,8 @@ static int check_perm(struct inode * inode, struct file * file)
         /* No error? Great, allocate a buffer for the file, and store it
          * it in file->private_data for easy access.
          */
-        buffer = kmalloc(sizeof(struct configfs_buffer),GFP_KERNEL);
+        buffer = kzalloc(sizeof(struct configfs_buffer),GFP_KERNEL);
         if (buffer) {
-                memset(buffer,0,sizeof(struct configfs_buffer));
                 init_MUTEX(&buffer->sem);
                 buffer->needs_read_fill = 1;
                 buffer->ops = ops;
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index e14488ca641..5047e6a7581 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -76,11 +76,10 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
 
         if (!sd_iattr) {
                 /* setting attributes for the first time, allocate now */
-                sd_iattr = kmalloc(sizeof(struct iattr), GFP_KERNEL);
+                sd_iattr = kzalloc(sizeof(struct iattr), GFP_KERNEL);
                 if (!sd_iattr)
                         return -ENOMEM;
                 /* assign default attributes */
-                memset(sd_iattr, 0, sizeof(struct iattr));
                 sd_iattr->ia_mode = sd->s_mode;
                 sd_iattr->ia_uid = 0;
                 sd_iattr->ia_gid = 0;
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 223c0431042..d09b6777c41 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -242,11 +242,10 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent)
 
         sb->s_flags |= MS_RDONLY;
 
-        sbi = kmalloc(sizeof(struct cramfs_sb_info), GFP_KERNEL);
+        sbi = kzalloc(sizeof(struct cramfs_sb_info), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         sb->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(struct cramfs_sb_info));
 
         /* Invalidate the read buffers on mount: think disk change.. */
         mutex_lock(&read_mutex);
diff --git a/fs/efs/super.c b/fs/efs/super.c
index 8ac2462ae5d..7089269ee9a 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -248,11 +248,10 @@ static int efs_fill_super(struct super_block *s, void *d, int silent)
         struct buffer_head *bh;
         struct inode *root;
 
-        sb = kmalloc(sizeof(struct efs_sb_info), GFP_KERNEL);
+        sb = kzalloc(sizeof(struct efs_sb_info), GFP_KERNEL);
         if (!sb)
                 return -ENOMEM;
         s->s_fs_info = sb;
-        memset(sb, 0, sizeof(struct efs_sb_info));
  
         s->s_magic              = EFS_SUPER_MAGIC;
         if (!sb_set_blocksize(s, EFS_BLOCKSIZE)) {
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index d978d3febb8..69435fbe53f 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -655,11 +655,10 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
         int i, j;
         __le32 features;
 
-        sbi = kmalloc(sizeof(*sbi), GFP_KERNEL);
+        sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         sb->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(*sbi));
 
         /*
          * See what the current blocksize for the device is, and
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 86ae8e93adb..af52a7f8b29 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -521,11 +521,10 @@ bad_block:		ext2_error(sb, "ext2_xattr_set",
                 }
         } else {
                 /* Allocate a buffer where we construct the new block. */
-                header = kmalloc(sb->s_blocksize, GFP_KERNEL);
+                header = kzalloc(sb->s_blocksize, GFP_KERNEL);
                 error = -ENOMEM;
                 if (header == NULL)
                         goto cleanup;
-                memset(header, 0, sb->s_blocksize);
                 end = (char *)header + sb->s_blocksize;
                 header->h_magic = cpu_to_le32(EXT2_XATTR_MAGIC);
                 header->h_blocks = header->h_refcount = cpu_to_le32(1);
diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
index 4d97f437cd4..429acbb4e06 100644
--- a/fs/ext3/dir.c
+++ b/fs/ext3/dir.c
@@ -343,10 +343,9 @@ int ext3_htree_store_dirent(struct file *dir_file, __u32 hash,
 
         /* Create and allocate the fname structure */
         len = sizeof(struct fname) + dirent->name_len + 1;
-        new_fn = kmalloc(len, GFP_KERNEL);
+        new_fn = kzalloc(len, GFP_KERNEL);
         if (!new_fn)
                 return -ENOMEM;
-        memset(new_fn, 0, len);
         new_fn->hash = hash;
         new_fn->minor_hash = minor_hash;
         new_fn->inode = le32_to_cpu(dirent->inode);
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 10985017765..09b4b313ca0 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1407,11 +1407,10 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
         int needs_recovery;
         __le32 features;
 
-        sbi = kmalloc(sizeof(*sbi), GFP_KERNEL);
+        sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         sb->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(*sbi));
         sbi->s_mount_opt = 0;
         sbi->s_resuid = EXT3_DEF_RESUID;
         sbi->s_resgid = EXT3_DEF_RESGID;
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 31b7174176b..bc4da3a48c8 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1168,11 +1168,10 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
         long error;
         char buf[50];
 
-        sbi = kmalloc(sizeof(struct msdos_sb_info), GFP_KERNEL);
+        sbi = kzalloc(sizeof(struct msdos_sb_info), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         sb->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(struct msdos_sb_info));
 
         sb->s_flags |= MS_NODIRATIME;
         sb->s_magic = MSDOS_SUPER_MAGIC;
diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c
index 13231dd5ce6..0d200068d0a 100644
--- a/fs/hfs/bnode.c
+++ b/fs/hfs/bnode.c
@@ -249,10 +249,9 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid)
         sb = tree->inode->i_sb;
         size = sizeof(struct hfs_bnode) + tree->pages_per_bnode *
                 sizeof(struct page *);
-        node = kmalloc(size, GFP_KERNEL);
+        node = kzalloc(size, GFP_KERNEL);
         if (!node)
                 return NULL;
-        memset(node, 0, size);
         node->tree = tree;
         node->this = cnid;
         set_bit(HFS_BNODE_NEW, &node->flags);
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 40035799431..5fd0ed71f92 100644
--- a/fs/hfs/btree.c
+++ b/fs/hfs/btree.c
@@ -21,10 +21,9 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke
         struct page *page;
         unsigned int size;
 
-        tree = kmalloc(sizeof(*tree), GFP_KERNEL);
+        tree = kzalloc(sizeof(*tree), GFP_KERNEL);
         if (!tree)
                 return NULL;
-        memset(tree, 0, sizeof(*tree));
 
         init_MUTEX(&tree->tree_lock);
         spin_lock_init(&tree->hash_lock);
diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 34937ee83ab..05dffff1a37 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -356,11 +356,10 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent)
         struct inode *root_inode;
         int res;
 
-        sbi = kmalloc(sizeof(struct hfs_sb_info), GFP_KERNEL);
+        sbi = kzalloc(sizeof(struct hfs_sb_info), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         sb->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(struct hfs_sb_info));
         INIT_HLIST_HEAD(&sbi->rsrc_inodes);
 
         res = -EINVAL;
diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c
index 77bf434da67..29da6574ba7 100644
--- a/fs/hfsplus/bnode.c
+++ b/fs/hfsplus/bnode.c
@@ -409,10 +409,9 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid)
         sb = tree->inode->i_sb;
         size = sizeof(struct hfs_bnode) + tree->pages_per_bnode *
                 sizeof(struct page *);
-        node = kmalloc(size, GFP_KERNEL);
+        node = kzalloc(size, GFP_KERNEL);
         if (!node)
                 return NULL;
-        memset(node, 0, size);
         node->tree = tree;
         node->this = cnid;
         set_bit(HFS_BNODE_NEW, &node->flags);
diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index cfc852fdd1b..a9b9e872e29 100644
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -24,10 +24,9 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
         struct page *page;
         unsigned int size;
 
-        tree = kmalloc(sizeof(*tree), GFP_KERNEL);
+        tree = kzalloc(sizeof(*tree), GFP_KERNEL);
         if (!tree)
                 return NULL;
-        memset(tree, 0, sizeof(*tree));
 
         init_MUTEX(&tree->tree_lock);
         spin_lock_init(&tree->hash_lock);
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 8fe51c34378..b76d6083237 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -462,11 +462,10 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
 
         int o;
 
-        sbi = kmalloc(sizeof(*sbi), GFP_KERNEL);
+        sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         s->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(*sbi));
 
         sbi->sb_bmp_dir = NULL;
         sbi->sb_cp_table = NULL;
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 14391361c88..ab15e907215 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -557,11 +557,10 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
         struct iso9660_options          opt;
         struct isofs_sb_info          * sbi;
 
-        sbi = kmalloc(sizeof(*sbi), GFP_KERNEL);
+        sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         s->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(*sbi));
 
         if (!parse_options((char *)data, &opt))
                 goto out_freesbi;
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 68e3953419b..6de374513c0 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -119,10 +119,9 @@ static int jffs2_get_sb_mtd(struct file_system_type *fs_type,
         struct jffs2_sb_info *c;
         int ret;
 
-        c = kmalloc(sizeof(*c), GFP_KERNEL);
+        c = kzalloc(sizeof(*c), GFP_KERNEL);
         if (!c)
                 return -ENOMEM;
-        memset(c, 0, sizeof(*c));
         c->mtd = mtd;
 
         sb = sget(fs_type, jffs2_sb_compare, jffs2_sb_set, c);
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 703fb038c81..a0d0b58ce7a 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -99,9 +99,9 @@ nlm_lookup_host(int server, struct sockaddr_in *sin,
         /* Ooops, no host found, create it */
         dprintk("lockd: creating host entry\n");
 
-        if (!(host = (struct nlm_host *) kmalloc(sizeof(*host), GFP_KERNEL)))
+        host = kzalloc(sizeof(*host), GFP_KERNEL);
+        if (!host)
                 goto nohost;
-        memset(host, 0, sizeof(*host));
 
         addr = sin->sin_addr.s_addr;
         sprintf(host->h_name, "%u.%u.%u.%u", NIPQUAD(addr));
diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index 01b4db9e546..a92dd98f840 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -100,11 +100,10 @@ nlm_lookup_file(struct svc_rqst *rqstp, struct nlm_file **result,
         nlm_debug_print_fh("creating file for", f);
 
         nfserr = nlm_lck_denied_nolocks;
-        file = (struct nlm_file *) kmalloc(sizeof(*file), GFP_KERNEL);
+        file = kzalloc(sizeof(*file), GFP_KERNEL);
         if (!file)
                 goto out_unlock;
 
-        memset(file, 0, sizeof(*file));
         memcpy(&file->f_handle, f, sizeof(struct nfs_fh));
         file->f_hash = hash;
         init_MUTEX(&file->f_sema);
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index 330ff9fc7cf..e24be7fc065 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -145,11 +145,10 @@ static int minix_fill_super(struct super_block *s, void *data, int silent)
         struct inode *root_inode;
         struct minix_sb_info *sbi;
 
-        sbi = kmalloc(sizeof(struct minix_sb_info), GFP_KERNEL);
+        sbi = kzalloc(sizeof(struct minix_sb_info), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         s->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(struct minix_sb_info));
 
         /* N.B. These should be compile-time tests.
            Unfortunately that is impossible. */
@@ -207,10 +206,9 @@ static int minix_fill_super(struct super_block *s, void *data, int silent)
         if (sbi->s_imap_blocks == 0 || sbi->s_zmap_blocks == 0)
                 goto out_illegal_sb;
         i = (sbi->s_imap_blocks + sbi->s_zmap_blocks) * sizeof(bh);
-        map = kmalloc(i, GFP_KERNEL);
+        map = kzalloc(i, GFP_KERNEL);
         if (!map)
                 goto out_no_map;
-        memset(map, 0, i);
         sbi->s_imap = &map[0];
         sbi->s_zmap = &map[sbi->s_imap_blocks];
 
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 1ddf77b0b82..752f02e43ab 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -411,11 +411,10 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 #endif
         struct ncp_entry_info finfo;
 
-        server = kmalloc(sizeof(struct ncp_server), GFP_KERNEL);
+        server = kzalloc(sizeof(struct ncp_server), GFP_KERNEL);
         if (!server)
                 return -ENOMEM;
         sb->s_fs_info = server;
-        memset(server, 0, sizeof(struct ncp_server));
 
         error = -EFAULT;
         if (raw_data == NULL)
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index bea6b947811..b1902ebaab4 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -573,10 +573,9 @@ idmap_lookup(struct svc_rqst *rqstp,
         struct idmap_defer_req *mdr;
         int ret;
 
-        mdr = kmalloc(sizeof(*mdr), GFP_KERNEL);
+        mdr = kzalloc(sizeof(*mdr), GFP_KERNEL);
         if (!mdr)
                 return -ENOMEM;
-        memset(mdr, 0, sizeof(*mdr));
         atomic_set(&mdr->count, 1);
         init_waitqueue_head(&mdr->waitq);
         mdr->req.defer = idmap_defer;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 9daa0b9feb8..1a25c01ecdf 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -339,8 +339,7 @@ alloc_client(struct xdr_netobj name)
 {
         struct nfs4_client *clp;
 
-        if ((clp = kmalloc(sizeof(struct nfs4_client), GFP_KERNEL))!= NULL) {
-                memset(clp, 0, sizeof(*clp));
+        if ((clp = kzalloc(sizeof(struct nfs4_client), GFP_KERNEL))!= NULL) {
                 if ((clp->cl_name.data = kmalloc(name.len, GFP_KERNEL)) != NULL) {
                         memcpy(clp->cl_name.data, name.data, name.len);
                         clp->cl_name.len = name.len;
diff --git a/fs/partitions/efi.c b/fs/partitions/efi.c
index 63730282ad8..1bea610078b 100644
--- a/fs/partitions/efi.c
+++ b/fs/partitions/efi.c
@@ -238,10 +238,9 @@ alloc_read_gpt_entries(struct block_device *bdev, gpt_header *gpt)
                 le32_to_cpu(gpt->sizeof_partition_entry);
         if (!count)
                 return NULL;
-        pte = kmalloc(count, GFP_KERNEL);
+        pte = kzalloc(count, GFP_KERNEL);
         if (!pte)
                 return NULL;
-        memset(pte, 0, count);
 
         if (read_lba(bdev, le64_to_cpu(gpt->partition_entry_lba),
                      (u8 *) pte,
@@ -269,10 +268,9 @@ alloc_read_gpt_header(struct block_device *bdev, u64 lba)
         if (!bdev)
                 return NULL;
 
-        gpt = kmalloc(sizeof (gpt_header), GFP_KERNEL);
+        gpt = kzalloc(sizeof (gpt_header), GFP_KERNEL);
         if (!gpt)
                 return NULL;
-        memset(gpt, 0, sizeof (gpt_header));
 
         if (read_lba(bdev, lba, (u8 *) gpt,
                      sizeof (gpt_header)) < sizeof (gpt_header)) {
@@ -526,9 +524,8 @@ find_valid_gpt(struct block_device *bdev, gpt_header **gpt, gpt_entry **ptes)
         lastlba = last_lba(bdev);
         if (!force_gpt) {
                 /* This will be added to the EFI Spec. per Intel after v1.02. */
-                legacymbr = kmalloc(sizeof (*legacymbr), GFP_KERNEL);
+                legacymbr = kzalloc(sizeof (*legacymbr), GFP_KERNEL);
                 if (legacymbr) {
-                        memset(legacymbr, 0, sizeof (*legacymbr));
                         read_lba(bdev, 0, (u8 *) legacymbr,
                                  sizeof (*legacymbr));
                         good_pmbr = is_pmbr_valid(legacymbr, lastlba);
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 6a984f64edd..3ceff385727 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -279,12 +279,11 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
                 tsz = elf_buflen - *fpos;
                 if (buflen < tsz)
                         tsz = buflen;
-                elf_buf = kmalloc(elf_buflen, GFP_ATOMIC);
+                elf_buf = kzalloc(elf_buflen, GFP_ATOMIC);
                 if (!elf_buf) {
                         read_unlock(&kclist_lock);
                         return -ENOMEM;
                 }
-                memset(elf_buf, 0, elf_buflen);
                 elf_kcore_store_hdr(elf_buf, nphdr, elf_buflen);
                 read_unlock(&kclist_lock);
                 if (copy_to_user(buffer, elf_buf + *fpos, tsz)) {
@@ -330,10 +329,9 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
                         unsigned long curstart = start;
                         unsigned long cursize = tsz;
 
-                        elf_buf = kmalloc(tsz, GFP_KERNEL);
+                        elf_buf = kzalloc(tsz, GFP_KERNEL);
                         if (!elf_buf)
                                 return -ENOMEM;
-                        memset(elf_buf, 0, tsz);
 
                         read_lock(&vmlist_lock);
                         for (m=vmlist; m && cursize; m=m->next) {
diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c
index 5a903491e69..8497609f502 100644
--- a/fs/qnx4/inode.c
+++ b/fs/qnx4/inode.c
@@ -358,11 +358,10 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent)
         const char *errmsg;
         struct qnx4_sb_info *qs;
 
-        qs = kmalloc(sizeof(struct qnx4_sb_info), GFP_KERNEL);
+        qs = kzalloc(sizeof(struct qnx4_sb_info), GFP_KERNEL);
         if (!qs)
                 return -ENOMEM;
         s->s_fs_info = qs;
-        memset(qs, 0, sizeof(struct qnx4_sb_info));
 
         sb_set_blocksize(s, QNX4_BLOCK_SIZE);
 
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index 876639b9332..350cba5d680 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -369,10 +369,9 @@ static int sysv_fill_super(struct super_block *sb, void *data, int silent)
         if (64 != sizeof (struct sysv_inode))
                 panic("sysv fs: bad inode size");
 
-        sbi = kmalloc(sizeof(struct sysv_sb_info), GFP_KERNEL);
+        sbi = kzalloc(sizeof(struct sysv_sb_info), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
-        memset(sbi, 0, sizeof(struct sysv_sb_info));
 
         sbi->s_sb = sb;
         sbi->s_block_base = 0;
@@ -453,10 +452,9 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent)
         if (64 != sizeof (struct sysv_inode))
                 panic("sysv fs: bad i-node size");
 
-        sbi = kmalloc(sizeof(struct sysv_sb_info), GFP_KERNEL);
+        sbi = kzalloc(sizeof(struct sysv_sb_info), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
-        memset(sbi, 0, sizeof(struct sysv_sb_info));
 
         sbi->s_sb = sb;
         sbi->s_block_base = 0;
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 33323473e3c..d1d38238ce6 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -130,14 +130,12 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
         {
                 UDF_I_EFE(inode) = 1;
                 UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE);
-                UDF_I_DATA(inode) = kmalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL);
-                memset(UDF_I_DATA(inode), 0x00, inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry));
+                UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL);
         }
         else
         {
                 UDF_I_EFE(inode) = 0;
-                UDF_I_DATA(inode) = kmalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL);
-                memset(UDF_I_DATA(inode), 0x00, inode->i_sb->s_blocksize - sizeof(struct fileEntry));
+                UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL);
         }
         if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB))
                 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 992ee0b87cc..ef910e78403 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -611,11 +611,10 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
         
         UFSD("ENTER\n");
                 
-        sbi = kmalloc(sizeof(struct ufs_sb_info), GFP_KERNEL);
+        sbi = kzalloc(sizeof(struct ufs_sb_info), GFP_KERNEL);
         if (!sbi)
                 goto failed_nomem;
         sb->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(struct ufs_sb_info));
 
         UFSD("flag %u\n", (int)(sb->s_flags & MS_RDONLY));