[PATCH] Transform kmem_cache_alloc()+memset(0) -> kmem_cache_zalloc().

Replace appropriate pairs of "kmem_cache_alloc()" + "memset(0)" with the
corresponding "kmem_cache_zalloc()" call.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Andi Kleen <ak@muc.de>
Cc: Roland McGrath <roland@redhat.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Greg KH <greg@kroah.com>
Acked-by: Joel Becker <Joel.Becker@oracle.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Jan Kara <jack@ucw.cz>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: James Morris <jmorris@namei.org>
Cc: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 11f5e5076aef..d4f02f3e18d7 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -361,8 +361,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
                 goto out;
         }
         /* Released in this function */
-        page_virt =
-            (char *)kmem_cache_alloc(ecryptfs_header_cache_2,
+        page_virt = kmem_cache_zalloc(ecryptfs_header_cache_2,
                                      GFP_USER);
         if (!page_virt) {
                 rc = -ENOMEM;
@@ -370,7 +369,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
                                 "Cannot ecryptfs_kmalloc a page\n");
                 goto out_dput;
         }
-        memset(page_virt, 0, PAGE_CACHE_SIZE);
+
         rc = ecryptfs_read_header_region(page_virt, lower_dentry, nd->mnt);
         crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
         if (!ECRYPTFS_CHECK_FLAG(crypt_stat->flags, ECRYPTFS_POLICY_APPLIED))