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-rw-r--r--drivers/net/wireless/airo.c57
-rw-r--r--drivers/net/wireless/airo_cs.c4
-rw-r--r--drivers/net/wireless/atmel.c6
-rw-r--r--drivers/net/wireless/atmel_cs.c3
-rw-r--r--drivers/net/wireless/hermes.c38
-rw-r--r--drivers/net/wireless/hermes.h2
-rw-r--r--drivers/net/wireless/hostap/hostap_ioctl.c9
-rw-r--r--drivers/net/wireless/ipw2200.c4
-rw-r--r--drivers/net/wireless/orinoco.c13
-rw-r--r--drivers/net/wireless/prism54/islpci_dev.c3
-rw-r--r--drivers/net/wireless/prism54/islpci_eth.c13
-rw-r--r--drivers/net/wireless/prism54/islpci_mgt.c2
-rw-r--r--drivers/net/wireless/prism54/oid_mgt.c9
-rw-r--r--drivers/net/wireless/strip.c38
14 files changed, 106 insertions, 95 deletions
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index cb429e78374..849ac88bccc 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -35,6 +35,7 @@
#include <linux/interrupt.h>
#include <linux/in.h>
#include <linux/bitops.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
#include <asm/system.h>
@@ -1590,11 +1591,9 @@ static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct
aes_counter[12] = (u8)(counter >> 24);
counter++;
memcpy (plain, aes_counter, 16);
- sg[0].page = virt_to_page(plain);
- sg[0].offset = ((long) plain & ~PAGE_MASK);
- sg[0].length = 16;
+ sg_set_buf(sg, plain, 16);
crypto_cipher_encrypt(tfm, sg, sg, 16);
- cipher = kmap(sg[0].page) + sg[0].offset;
+ cipher = kmap(sg->page) + sg->offset;
for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) {
context->coeff[i++] = ntohl(*(u32 *)&cipher[j]);
j += 4;
@@ -2041,7 +2040,7 @@ static int mpi_send_packet (struct net_device *dev)
return 1;
}
-static void get_tx_error(struct airo_info *ai, u32 fid)
+static void get_tx_error(struct airo_info *ai, s32 fid)
{
u16 status;
@@ -2381,14 +2380,10 @@ void stop_airo_card( struct net_device *dev, int freeres )
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 +3621,8 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
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 +3659,10 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
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 +3676,8 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
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 +5356,13 @@ static int proc_BSSList_open( struct inode *inode, struct file *file ) {
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 bf25584d68d..784de910911 100644
--- a/drivers/net/wireless/airo_cs.c
+++ b/drivers/net/wireless/airo_cs.c
@@ -258,9 +258,7 @@ static void airo_detach(dev_link_t *link)
/* 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 d57011028b7..1fbe027d26b 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -1653,8 +1653,7 @@ void stop_atmel_card(struct net_device *dev, int freeres)
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 @@ static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
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 ff031a3985b..195cb36619e 100644
--- a/drivers/net/wireless/atmel_cs.c
+++ b/drivers/net/wireless/atmel_cs.c
@@ -259,8 +259,7 @@ static void atmel_detach(dev_link_t *link)
/* 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/hermes.c b/drivers/net/wireless/hermes.c
index eba0d9d2b7c..579480dad37 100644
--- a/drivers/net/wireless/hermes.c
+++ b/drivers/net/wireless/hermes.c
@@ -444,6 +444,43 @@ int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, unsigned len,
return err;
}
+/* Write a block of data to the chip's buffer with padding if
+ * neccessary, via the BAP. Synchronization/serialization is the
+ * caller's problem. len must be even.
+ *
+ * Returns: < 0 on internal failure (errno), 0 on success, > 0 on error from firmware
+ */
+int hermes_bap_pwrite_pad(hermes_t *hw, int bap, const void *buf, unsigned data_len, unsigned len,
+ u16 id, u16 offset)
+{
+ int dreg = bap ? HERMES_DATA1 : HERMES_DATA0;
+ int err = 0;
+
+ if (len < 0 || len % 2 || data_len > len)
+ return -EINVAL;
+
+ err = hermes_bap_seek(hw, bap, id, offset);
+ if (err)
+ goto out;
+
+ /* Transfer all the complete words of data */
+ hermes_write_words(hw, dreg, buf, data_len/2);
+ /* If there is an odd byte left over pad and transfer it */
+ if (data_len & 1) {
+ u8 end[2];
+ end[1] = 0;
+ end[0] = ((unsigned char *)buf)[data_len - 1];
+ hermes_write_words(hw, dreg, end, 1);
+ data_len ++;
+ }
+ /* Now send zeros for the padding */
+ if (data_len < len)
+ hermes_clear_words(hw, dreg, (len - data_len) / 2);
+ /* Complete */
+ out:
+ return err;
+}
+
/* Read a Length-Type-Value record from the card.
*
* If length is NULL, we ignore the length read from the card, and
@@ -531,6 +568,7 @@ EXPORT_SYMBOL(hermes_allocate);
EXPORT_SYMBOL(hermes_bap_pread);
EXPORT_SYMBOL(hermes_bap_pwrite);
+EXPORT_SYMBOL(hermes_bap_pwrite_pad);
EXPORT_SYMBOL(hermes_read_ltv);
EXPORT_SYMBOL(hermes_write_ltv);
diff --git a/drivers/net/wireless/hermes.h b/drivers/net/wireless/hermes.h
index ad28e329436..a6bd472d75d 100644
--- a/drivers/net/wireless/hermes.h
+++ b/drivers/net/wireless/hermes.h
@@ -376,6 +376,8 @@ int hermes_bap_pread(hermes_t *hw, int bap, void *buf, unsigned len,
u16 id, u16 offset);
int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, unsigned len,
u16 id, u16 offset);
+int hermes_bap_pwrite_pad(hermes_t *hw, int bap, const void *buf,
+ unsigned data_len, unsigned len, u16 id, u16 offset);
int hermes_read_ltv(hermes_t *hw, int bap, u16 rid, unsigned buflen,
u16 *length, void *buf);
int hermes_write_ltv(hermes_t *hw, int bap, u16 rid,
diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c
index 53f5246c40a..2617d70bcda 100644
--- a/drivers/net/wireless/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -552,7 +552,6 @@ static int prism2_ioctl_giwaplist(struct net_device *dev,
kfree(addr);
kfree(qual);
-
return 0;
}
@@ -3081,9 +3080,7 @@ static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
ret = local->func->download(local, param);
out:
- if (param != NULL)
- kfree(param);
-
+ kfree(param);
return ret;
}
#endif /* PRISM2_DOWNLOAD_SUPPORT */
@@ -3890,9 +3887,7 @@ static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
}
out:
- if (param != NULL)
- kfree(param);
-
+ kfree(param);
return ret;
}
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index de4e6c23e4b..3db0c32afe8 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -4030,6 +4030,10 @@ static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *priv)
int i;
rxq = (struct ipw_rx_queue *)kmalloc(sizeof(*rxq), GFP_KERNEL);
+ if (unlikely(!rxq)) {
+ IPW_ERROR("memory allocation failed\n");
+ return NULL;
+ }
memset(rxq, 0, sizeof(*rxq));
spin_lock_init(&rxq->lock);
INIT_LIST_HEAD(&rxq->rx_free);
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index d3d4ec9e242..488ab06fb79 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -490,7 +490,8 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev)
return 0;
}
- /* Check packet length, pad short packets, round up odd length */
+ /* Length of the packet body */
+ /* FIXME: what if the skb is smaller than this? */
len = max_t(int, ALIGN(skb->len, 2), ETH_ZLEN);
skb = skb_padto(skb, len);
if (skb == NULL)
@@ -541,13 +542,21 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev)
stats->tx_errors++;
goto fail;
}
+ /* Actual xfer length - allow for padding */
+ len = ALIGN(data_len, 2);
+ if (len < ETH_ZLEN - ETH_HLEN)
+ len = ETH_ZLEN - ETH_HLEN;
} else { /* IEEE 802.3 frame */
data_len = len + ETH_HLEN;
data_off = HERMES_802_3_OFFSET;
p = skb->data;
+ /* Actual xfer length - round up for odd length packets */
+ len = ALIGN(data_len, 2);
+ if (len < ETH_ZLEN)
+ len = ETH_ZLEN;
}
- err = hermes_bap_pwrite(hw, USER_BAP, p, data_len,
+ err = hermes_bap_pwrite_pad(hw, USER_BAP, p, data_len, len,
txfid, data_off);
if (err) {
printk(KERN_ERR "%s: Error %d writing packet to BAP\n",
diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c
index 6c9584a9f28..78bdb359835 100644
--- a/drivers/net/wireless/prism54/islpci_dev.c
+++ b/drivers/net/wireless/prism54/islpci_dev.c
@@ -754,8 +754,7 @@ islpci_free_memory(islpci_private *priv)
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/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c
index 5952e996049..3b49efa37ee 100644
--- a/drivers/net/wireless/prism54/islpci_eth.c
+++ b/drivers/net/wireless/prism54/islpci_eth.c
@@ -97,12 +97,6 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev)
/* lock the driver code */
spin_lock_irqsave(&priv->slock, flags);
- /* determine the amount of fragments needed to store the frame */
-
- frame_size = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
- if (init_wds)
- frame_size += 6;
-
/* check whether the destination queue has enough fragments for the frame */
curr_frag = le32_to_cpu(cb->driver_curr_frag[ISL38XX_CB_TX_DATA_LQ]);
if (unlikely(curr_frag - priv->free_data_tx >= ISL38XX_CB_TX_QSIZE)) {
@@ -213,6 +207,7 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev)
/* store the skb address for future freeing */
priv->data_low_tx[index] = skb;
/* set the proper fragment start address and size information */
+ frame_size = skb->len;
fragment->size = cpu_to_le16(frame_size);
fragment->flags = cpu_to_le16(0); /* set to 1 if more fragments */
fragment->address = cpu_to_le32(pci_map_address);
@@ -246,12 +241,10 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev)
return 0;
drop_free:
- /* free the skbuf structure before aborting */
- dev_kfree_skb(skb);
- skb = NULL;
-
priv->statistics.tx_dropped++;
spin_unlock_irqrestore(&priv->slock, flags);
+ dev_kfree_skb(skb);
+ skb = NULL;
return err;
}
diff --git a/drivers/net/wireless/prism54/islpci_mgt.c b/drivers/net/wireless/prism54/islpci_mgt.c
index 4937a5ad4b2..6a60c5970cb 100644
--- a/drivers/net/wireless/prism54/islpci_mgt.c
+++ b/drivers/net/wireless/prism54/islpci_mgt.c
@@ -137,7 +137,7 @@ islpci_mgmt_rx_fill(struct net_device *ndev)
PCI_DMA_FROMDEVICE);
if (!buf->pci_addr) {
printk(KERN_WARNING
- "Failed to make memory DMA'able\n.");
+ "Failed to make memory DMA'able.\n");
return -ENOMEM;
}
}
diff --git a/drivers/net/wireless/prism54/oid_mgt.c b/drivers/net/wireless/prism54/oid_mgt.c
index 12123e24b11..eea2f04c8c6 100644
--- a/drivers/net/wireless/prism54/oid_mgt.c
+++ b/drivers/net/wireless/prism54/oid_mgt.c
@@ -268,11 +268,10 @@ mgt_clean(islpci_private *priv)
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 7bc7fc82312..d25264ba0c0 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -860,12 +860,9 @@ static int allocate_buffers(struct strip *strip_info, int mtu)
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 @@ static int strip_change_mtu(struct net_device *dev, int new_mtu)
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 @@ static int strip_close_low(struct net_device *dev)
/*
* 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;
}