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[PATCH] libertas: changed some occurences of kmalloc() + memset(&a,0,sz) to kzalloc()

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The subject says it all.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Holger Schurig 2007-05-25 11:58:22 -04:00 committed by John W. Linville
parent 6df3073d29
commit fb3dddf22c
3 changed files with 7 additions and 21 deletions
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8
drivers/net/wireless/libertas/cmd.c
View File

@ -1482,28 +1482,24 @@ int libertas_allocate_cmd_buffer(wlan_private * priv)
/* Allocate and initialize cmdCtrlNode */ /* Allocate and initialize cmdCtrlNode */
ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER; ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
if (!(tempcmd_array = kmalloc(ulbufsize, GFP_KERNEL))) { if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
lbs_deb_cmd( lbs_deb_cmd(
"ALLOC_CMD_BUF: failed to allocate tempcmd_array\n"); "ALLOC_CMD_BUF: failed to allocate tempcmd_array\n");
ret = -1; ret = -1;
goto done; goto done;
} }
adapter->cmd_array = tempcmd_array; adapter->cmd_array = tempcmd_array;
memset(adapter->cmd_array, 0, ulbufsize);
/* Allocate and initialize command buffers */ /* Allocate and initialize command buffers */
ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER; ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) { for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
if (!(ptempvirtualaddr = kmalloc(ulbufsize, GFP_KERNEL))) { if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
lbs_deb_cmd( lbs_deb_cmd(
"ALLOC_CMD_BUF: ptempvirtualaddr: out of memory\n"); "ALLOC_CMD_BUF: ptempvirtualaddr: out of memory\n");
ret = -1; ret = -1;
goto done; goto done;
} }
memset(ptempvirtualaddr, 0, ulbufsize);
/* Update command buffer virtual */ /* Update command buffer virtual */
tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr; tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
} }

4
drivers/net/wireless/libertas/fw.c
View File

@ -139,13 +139,11 @@ static int wlan_allocate_adapter(wlan_private * priv)
/* Allocate buffer to store the BSSID list */ /* Allocate buffer to store the BSSID list */
ulbufsize = sizeof(struct bss_descriptor) * MRVDRV_MAX_BSSID_LIST; ulbufsize = sizeof(struct bss_descriptor) * MRVDRV_MAX_BSSID_LIST;
if (!(ptempscantable = kmalloc(ulbufsize, GFP_KERNEL))) { if (!(ptempscantable = kzalloc(ulbufsize, GFP_KERNEL))) {
libertas_free_adapter(priv); libertas_free_adapter(priv);
return -1; return -1;
} }
adapter->scantable = ptempscantable; adapter->scantable = ptempscantable;
memset(adapter->scantable, 0, ulbufsize);
/* Allocate the command buffers */ /* Allocate the command buffers */
libertas_allocate_cmd_buffer(priv); libertas_allocate_cmd_buffer(priv);

16
drivers/net/wireless/libertas/main.c
View File

@ -777,18 +777,14 @@ wlan_private *wlan_add_card(void *card)
lbs_pr_err("init ethX device failed\n"); lbs_pr_err("init ethX device failed\n");
return NULL; return NULL;
} }
priv = dev->priv; priv = dev->priv;
/* allocate buffer for wlan_adapter */ /* allocate buffer for wlan_adapter */
if (!(priv->adapter = kmalloc(sizeof(wlan_adapter), GFP_KERNEL))) { if (!(priv->adapter = kzalloc(sizeof(wlan_adapter), GFP_KERNEL))) {
lbs_pr_err("allocate buffer for wlan_adapter failed\n"); lbs_pr_err("allocate buffer for wlan_adapter failed\n");
goto err_kmalloc; goto err_kzalloc;
} }
/* init wlan_adapter */
memset(priv->adapter, 0, sizeof(wlan_adapter));
priv->wlan_dev.netdev = dev; priv->wlan_dev.netdev = dev;
priv->wlan_dev.card = card; priv->wlan_dev.card = card;
priv->mesh_open = 0; priv->mesh_open = 0;
@ -802,14 +798,10 @@ wlan_private *wlan_add_card(void *card)
dev->stop = wlan_close; dev->stop = wlan_close;
dev->do_ioctl = libertas_do_ioctl; dev->do_ioctl = libertas_do_ioctl;
dev->set_mac_address = wlan_set_mac_address; dev->set_mac_address = wlan_set_mac_address;
#define WLAN_WATCHDOG_TIMEOUT (5 * HZ)
dev->tx_timeout = wlan_tx_timeout; dev->tx_timeout = wlan_tx_timeout;
dev->get_stats = wlan_get_stats; dev->get_stats = wlan_get_stats;
dev->watchdog_timeo = WLAN_WATCHDOG_TIMEOUT; dev->watchdog_timeo = 5 * HZ;
dev->ethtool_ops = &libertas_ethtool_ops; dev->ethtool_ops = &libertas_ethtool_ops;
#ifdef WIRELESS_EXT #ifdef WIRELESS_EXT
dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def; dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def;
#endif #endif
@ -875,7 +867,7 @@ wlan_private *wlan_add_card(void *card)
wake_up_interruptible(&priv->mainthread.waitq); wake_up_interruptible(&priv->mainthread.waitq);
wlan_terminate_thread(&priv->mainthread); wlan_terminate_thread(&priv->mainthread);
kfree(priv->adapter); kfree(priv->adapter);
err_kmalloc: err_kzalloc:
free_netdev(dev); free_netdev(dev);
lbs_deb_leave_args(LBS_DEB_NET, "priv NULL"); lbs_deb_leave_args(LBS_DEB_NET, "priv NULL");