[PATCH] message/fusion: remove redundant memset

From: Mariusz Kozlowski
Date: Wed Aug 08 2007 - 02:33:08 EST


Hello,

alloc_fcdev() calls alloc_netdev() which uses kzalloc to alloc
all the memory together with dev->priv region hence no zeroing of structs
inside struct mpt_lan_priv needed.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@xxxxxxxxxx>

drivers/message/fusion/mptlan.c | 47738 -> 47618 (-120 bytes)
drivers/message/fusion/mptlan.o | 170800 -> 170124 (-676 bytes)

drivers/message/fusion/mptlan.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

--- linux-2.6.23-rc1-mm2-a/drivers/message/fusion/mptlan.c 2007-08-01 08:43:47.000000000 +0200
+++ linux-2.6.23-rc1-mm2-b/drivers/message/fusion/mptlan.c 2007-08-07 01:33:49.000000000 +0200
@@ -1351,10 +1351,11 @@ mpt_lan_post_receive_buckets_work(struct
static struct net_device *
mpt_register_lan_device (MPT_ADAPTER *mpt_dev, int pnum)
{
- struct net_device *dev = alloc_fcdev(sizeof(struct mpt_lan_priv));
- struct mpt_lan_priv *priv = NULL;
+ struct net_device *dev;
+ struct mpt_lan_priv *priv;
u8 HWaddr[FC_ALEN], *a;

+ dev = alloc_fcdev(sizeof(struct mpt_lan_priv));
if (!dev)
return NULL;

@@ -1366,7 +1367,6 @@ mpt_register_lan_device (MPT_ADAPTER *mp
priv->mpt_dev = mpt_dev;
priv->pnum = pnum;

- memset(&priv->post_buckets_task, 0, sizeof(priv->post_buckets_task));
INIT_DELAYED_WORK(&priv->post_buckets_task,
mpt_lan_post_receive_buckets_work);
priv->post_buckets_active = 0;
@@ -1391,8 +1391,6 @@ mpt_register_lan_device (MPT_ADAPTER *mp
spin_lock_init(&priv->txfidx_lock);
spin_lock_init(&priv->rxfidx_lock);

- memset(&priv->stats, 0, sizeof(priv->stats));
-
/* Grab pre-fetched LANPage1 stuff. :-) */
a = (u8 *) &mpt_dev->lan_cnfg_page1.HardwareAddressLow;

-
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