drivers/net: Remove pointless checks for NULL prior to calling kfree()
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index cb429e7..4c11699 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2381,14 +2381,10 @@
dev_kfree_skb(skb);
}
- if (ai->flash)
- kfree(ai->flash);
- if (ai->rssi)
- kfree(ai->rssi);
- if (ai->APList)
- kfree(ai->APList);
- if (ai->SSID)
- kfree(ai->SSID);
+ kfree(ai->flash);
+ kfree(ai->rssi);
+ kfree(ai->APList);
+ kfree(ai->SSID);
if (freeres) {
/* PCMCIA frees this stuff, so only for PCI and ISA */
release_region( dev->base_addr, 64 );
@@ -3626,10 +3622,8 @@
int rc;
memset( &mySsid, 0, sizeof( mySsid ) );
- if (ai->flash) {
- kfree (ai->flash);
- ai->flash = NULL;
- }
+ kfree (ai->flash);
+ ai->flash = NULL;
/* The NOP is the first step in getting the card going */
cmd.cmd = NOP;
@@ -3666,14 +3660,10 @@
tdsRssiRid rssi_rid;
CapabilityRid cap_rid;
- if (ai->APList) {
- kfree(ai->APList);
- ai->APList = NULL;
- }
- if (ai->SSID) {
- kfree(ai->SSID);
- ai->SSID = NULL;
- }
+ kfree(ai->APList);
+ ai->APList = NULL;
+ kfree(ai->SSID);
+ ai->SSID = NULL;
// general configuration (read/modify/write)
status = readConfigRid(ai, lock);
if ( status != SUCCESS ) return ERROR;
@@ -3687,10 +3677,8 @@
memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */
}
else {
- if (ai->rssi) {
- kfree(ai->rssi);
- ai->rssi = NULL;
- }
+ kfree(ai->rssi);
+ ai->rssi = NULL;
if (cap_rid.softCap & 8)
ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
else
@@ -5369,11 +5357,13 @@
static int proc_close( struct inode *inode, struct file *file )
{
- struct proc_data *data = (struct proc_data *)file->private_data;
- if ( data->on_close != NULL ) data->on_close( inode, file );
- if ( data->rbuffer ) kfree( data->rbuffer );
- if ( data->wbuffer ) kfree( data->wbuffer );
- kfree( data );
+ struct proc_data *data = file->private_data;
+
+ if (data->on_close != NULL)
+ data->on_close(inode, file);
+ kfree(data->rbuffer);
+ kfree(data->wbuffer);
+ kfree(data);
return 0;
}
diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c
index bf25584..784de91 100644
--- a/drivers/net/wireless/airo_cs.c
+++ b/drivers/net/wireless/airo_cs.c
@@ -258,9 +258,7 @@
/* Unlink device structure, free pieces */
*linkp = link->next;
- if (link->priv) {
- kfree(link->priv);
- }
+ kfree(link->priv);
kfree(link);
} /* airo_detach */
diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index d570110..1fbe027 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -1653,8 +1653,7 @@
unregister_netdev(dev);
remove_proc_entry("driver/atmel", NULL);
free_irq(dev->irq, dev);
- if (priv->firmware)
- kfree(priv->firmware);
+ kfree(priv->firmware);
if (freeres) {
/* PCMCIA frees this stuff, so only for PCI */
release_region(dev->base_addr, 64);
@@ -2450,8 +2449,7 @@
break;
}
- if (priv->firmware)
- kfree(priv->firmware);
+ kfree(priv->firmware);
priv->firmware = new_firmware;
priv->firmware_length = com.len;
diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c
index ff031a3..195cb36 100644
--- a/drivers/net/wireless/atmel_cs.c
+++ b/drivers/net/wireless/atmel_cs.c
@@ -259,8 +259,7 @@
/* Unlink device structure, free pieces */
*linkp = link->next;
- if (link->priv)
- kfree(link->priv);
+ kfree(link->priv);
kfree(link);
}
diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c
index 53f5246..2617d70 100644
--- a/drivers/net/wireless/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -552,7 +552,6 @@
kfree(addr);
kfree(qual);
-
return 0;
}
@@ -3081,9 +3080,7 @@
ret = local->func->download(local, param);
out:
- if (param != NULL)
- kfree(param);
-
+ kfree(param);
return ret;
}
#endif /* PRISM2_DOWNLOAD_SUPPORT */
@@ -3890,9 +3887,7 @@
}
out:
- if (param != NULL)
- kfree(param);
-
+ kfree(param);
return ret;
}
diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c
index 6c9584a..78bdb35 100644
--- a/drivers/net/wireless/prism54/islpci_dev.c
+++ b/drivers/net/wireless/prism54/islpci_dev.c
@@ -754,8 +754,7 @@
pci_unmap_single(priv->pdev, buf->pci_addr,
buf->size, PCI_DMA_FROMDEVICE);
buf->pci_addr = 0;
- if (buf->mem)
- kfree(buf->mem);
+ kfree(buf->mem);
buf->size = 0;
buf->mem = NULL;
}
diff --git a/drivers/net/wireless/prism54/oid_mgt.c b/drivers/net/wireless/prism54/oid_mgt.c
index 12123e2..eea2f04 100644
--- a/drivers/net/wireless/prism54/oid_mgt.c
+++ b/drivers/net/wireless/prism54/oid_mgt.c
@@ -268,11 +268,10 @@
if (!priv->mib)
return;
- for (i = 0; i < OID_NUM_LAST; i++)
- if (priv->mib[i]) {
- kfree(priv->mib[i]);
- priv->mib[i] = NULL;
- }
+ for (i = 0; i < OID_NUM_LAST; i++) {
+ kfree(priv->mib[i]);
+ priv->mib[i] = NULL;
+ }
kfree(priv->mib);
priv->mib = NULL;
}
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index 7bc7fc8..d25264b 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -860,12 +860,9 @@
strip_info->mtu = dev->mtu = mtu;
return (1);
}
- if (r)
- kfree(r);
- if (s)
- kfree(s);
- if (t)
- kfree(t);
+ kfree(r);
+ kfree(s);
+ kfree(t);
return (0);
}
@@ -922,13 +919,9 @@
printk(KERN_NOTICE "%s: strip MTU changed fom %d to %d.\n",
strip_info->dev->name, old_mtu, strip_info->mtu);
- if (orbuff)
- kfree(orbuff);
- if (osbuff)
- kfree(osbuff);
- if (otbuff)
- kfree(otbuff);
-
+ kfree(orbuff);
+ kfree(osbuff);
+ kfree(otbuff);
return 0;
}
@@ -2498,18 +2491,13 @@
/*
* Free all STRIP frame buffers.
*/
- if (strip_info->rx_buff) {
- kfree(strip_info->rx_buff);
- strip_info->rx_buff = NULL;
- }
- if (strip_info->sx_buff) {
- kfree(strip_info->sx_buff);
- strip_info->sx_buff = NULL;
- }
- if (strip_info->tx_buff) {
- kfree(strip_info->tx_buff);
- strip_info->tx_buff = NULL;
- }
+ kfree(strip_info->rx_buff);
+ strip_info->rx_buff = NULL;
+ kfree(strip_info->sx_buff);
+ strip_info->sx_buff = NULL;
+ kfree(strip_info->tx_buff);
+ strip_info->tx_buff = NULL;
+
del_timer(&strip_info->idle_timer);
return 0;
}
