[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, 1 insertions, 3 deletions

diff --git a/fs/exec.c b/fs/exec.c
index 11fe93f7363c..7e36c6f6f538 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -405,12 +405,10 @@ int setup_arg_pages(struct linux_binprm *bprm,
                 bprm->loader += stack_base;
         bprm->exec += stack_base;
 
-        mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+        mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
         if (!mpnt)
                 return -ENOMEM;
 
-        memset(mpnt, 0, sizeof(*mpnt));
-
         down_write(&mm->mmap_sem);
         {
                 mpnt->vm_mm = mm;