[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, 4 deletions

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index ecb5422ea237..d7e1e60f51d5 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -479,20 +479,18 @@ static struct mfc_cache *ipmr_cache_find(__be32 origin, __be32 mcastgrp)
  */
 static struct mfc_cache *ipmr_cache_alloc(void)
 {
-        struct mfc_cache *c=kmem_cache_alloc(mrt_cachep, GFP_KERNEL);
+        struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
         if(c==NULL)
                 return NULL;
-        memset(c, 0, sizeof(*c));
         c->mfc_un.res.minvif = MAXVIFS;
         return c;
 }
 
 static struct mfc_cache *ipmr_cache_alloc_unres(void)
 {
-        struct mfc_cache *c=kmem_cache_alloc(mrt_cachep, GFP_ATOMIC);
+        struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_ATOMIC);
         if(c==NULL)
                 return NULL;
-        memset(c, 0, sizeof(*c));
         skb_queue_head_init(&c->mfc_un.unres.unresolved);
         c->mfc_un.unres.expires = jiffies + 10*HZ;
         return c;