[PATCH] msi: use kmem_cache_zalloc()

Simpler, cleaner.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 10 deletions

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 008235947aa4..27a057409eca 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -45,16 +45,10 @@ msi_register(struct msi_ops *ops)
         return 0;
 }
 
-static void msi_cache_ctor(void *p, kmem_cache_t *cache, unsigned long flags)
-{
-        memset(p, 0, sizeof(struct msi_desc));
-}
-
 static int msi_cache_init(void)
 {
-        msi_cachep = kmem_cache_create("msi_cache",
-                        sizeof(struct msi_desc),
-                        0, SLAB_HWCACHE_ALIGN, msi_cache_ctor, NULL);
+        msi_cachep = kmem_cache_create("msi_cache", sizeof(struct msi_desc),
+                                        0, SLAB_HWCACHE_ALIGN, NULL, NULL);
         if (!msi_cachep)
                 return -ENOMEM;
 
@@ -402,11 +396,10 @@ static struct msi_desc* alloc_msi_entry(void)
 {
         struct msi_desc *entry;
 
-        entry = kmem_cache_alloc(msi_cachep, SLAB_KERNEL);
+        entry = kmem_cache_zalloc(msi_cachep, GFP_KERNEL);
         if (!entry)
                 return NULL;
 
-        memset(entry, 0, sizeof(struct msi_desc));
         entry->link.tail = entry->link.head = 0;        /* single message */
         entry->dev = NULL;