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-rw-r--r--drivers/net/wireless/atmel.c4
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_dma.c3
-rw-r--r--drivers/net/wireless/hostap/hostap_80211_rx.c13
-rw-r--r--drivers/net/wireless/hostap/hostap_80211_tx.c23
-rw-r--r--drivers/net/wireless/hostap/hostap_ap.c4
-rw-r--r--drivers/net/wireless/hostap/hostap_hw.c5
-rw-r--r--drivers/net/wireless/ipw2100.c5
-rw-r--r--drivers/net/wireless/ipw2200.c2
-rw-r--r--drivers/net/wireless/prism54/islpci_eth.c13
-rw-r--r--drivers/net/wireless/ray_cs.c3
-rw-r--r--drivers/net/wireless/wavelan.c2
-rw-r--r--drivers/net/wireless/zd1201.c4
12 files changed, 49 insertions, 32 deletions
diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index 1c17cbe007ba..51a7db53afa5 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -827,14 +827,14 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev)
if (priv->wep_is_on)
frame_ctl |= IEEE80211_FCTL_PROTECTED;
if (priv->operating_mode == IW_MODE_ADHOC) {
- memcpy(&header.addr1, skb->data, 6);
+ skb_copy_from_linear_data(skb, &header.addr1, 6);
memcpy(&header.addr2, dev->dev_addr, 6);
memcpy(&header.addr3, priv->BSSID, 6);
} else {
frame_ctl |= IEEE80211_FCTL_TODS;
memcpy(&header.addr1, priv->CurrentBSSID, 6);
memcpy(&header.addr2, dev->dev_addr, 6);
- memcpy(&header.addr3, skb->data, 6);
+ skb_copy_from_linear_data(skb, &header.addr3, 6);
}
if (priv->use_wpa)
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c
index 6e0dc76400e5..e3d2e61a31ee 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c
@@ -998,7 +998,8 @@ static void dma_tx_fragment(struct bcm43xx_dmaring *ring,
assert(0);
return;
}
- memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len);
+ skb_copy_from_linear_data(skb, skb_put(bounce_skb, skb->len),
+ skb->len);
dev_kfree_skb_any(skb);
skb = bounce_skb;
}
diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c
index 35a3a50724fe..cbedc9ee740a 100644
--- a/drivers/net/wireless/hostap/hostap_80211_rx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_rx.c
@@ -933,12 +933,14 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
if (frag == 0) {
/* copy first fragment (including full headers) into
* beginning of the fragment cache skb */
- memcpy(skb_put(frag_skb, flen), skb->data, flen);
+ skb_copy_from_linear_data(skb, skb_put(frag_skb, flen),
+ flen);
} else {
/* append frame payload to the end of the fragment
* cache skb */
- memcpy(skb_put(frag_skb, flen), skb->data + hdrlen,
- flen);
+ skb_copy_from_linear_data_offset(skb, hdrlen,
+ skb_put(frag_skb,
+ flen), flen);
}
dev_kfree_skb(skb);
skb = NULL;
@@ -1044,8 +1046,9 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
skb->len >= ETH_HLEN + ETH_ALEN) {
/* Non-standard frame: get addr4 from its bogus location after
* the payload */
- memcpy(skb->data + ETH_ALEN,
- skb->data + skb->len - ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, skb->len - ETH_ALEN,
+ skb->data + ETH_ALEN,
+ ETH_ALEN);
skb_trim(skb, skb->len - ETH_ALEN);
}
diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c
index 159baef18e4a..246fac0e8001 100644
--- a/drivers/net/wireless/hostap/hostap_80211_tx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_tx.c
@@ -146,7 +146,8 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS;
/* From&To DS: Addr1 = RA, Addr2 = TA, Addr3 = DA,
* Addr4 = SA */
- memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN,
+ &hdr.addr4, ETH_ALEN);
hdr_len += ETH_ALEN;
} else {
/* bogus 4-addr format to workaround Prism2 station
@@ -159,7 +160,8 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* SA from skb->data + ETH_ALEN will be added after
* frame payload; use hdr.addr4 as a temporary buffer
*/
- memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN,
+ &hdr.addr4, ETH_ALEN);
need_tailroom += ETH_ALEN;
}
@@ -174,24 +176,27 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev)
else
memcpy(&hdr.addr1, local->bssid, ETH_ALEN);
memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(&hdr.addr3, skb->data, ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
} else if (local->iw_mode == IW_MODE_MASTER && !to_assoc_ap) {
fc |= IEEE80211_FCTL_FROMDS;
/* From DS: Addr1 = DA, Addr2 = BSSID, Addr3 = SA */
- memcpy(&hdr.addr1, skb->data, ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(&hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr3,
+ ETH_ALEN);
} else if (local->iw_mode == IW_MODE_INFRA || to_assoc_ap) {
fc |= IEEE80211_FCTL_TODS;
/* To DS: Addr1 = BSSID, Addr2 = SA, Addr3 = DA */
memcpy(&hdr.addr1, to_assoc_ap ?
local->assoc_ap_addr : local->bssid, ETH_ALEN);
- memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
- memcpy(&hdr.addr3, skb->data, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
+ ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
} else if (local->iw_mode == IW_MODE_ADHOC) {
/* not From/To DS: Addr1 = DA, Addr2 = SA, Addr3 = BSSID */
- memcpy(&hdr.addr1, skb->data, ETH_ALEN);
- memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
+ ETH_ALEN);
memcpy(&hdr.addr3, local->bssid, ETH_ALEN);
}
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index 797d950d5d61..4ca8a27b8c55 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -1277,8 +1277,8 @@ static char * ap_auth_make_challenge(struct ap_data *ap)
return NULL;
}
- memcpy(tmpbuf, skb->data + ap->crypt->extra_mpdu_prefix_len,
- WLAN_AUTH_CHALLENGE_LEN);
+ skb_copy_from_linear_data_offset(skb, ap->crypt->extra_mpdu_prefix_len,
+ tmpbuf, WLAN_AUTH_CHALLENGE_LEN);
dev_kfree_skb(skb);
return tmpbuf;
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index 9003ff7d151a..fb01fb95a9f0 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -1838,13 +1838,14 @@ static int prism2_tx_80211(struct sk_buff *skb, struct net_device *dev)
/* skb->data starts with txdesc->frame_control */
hdr_len = 24;
- memcpy(&txdesc.frame_control, skb->data, hdr_len);
+ skb_copy_from_linear_data(skb, &txdesc.frame_control, hdr_len);
fc = le16_to_cpu(txdesc.frame_control);
if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA &&
(fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS) &&
skb->len >= 30) {
/* Addr4 */
- memcpy(txdesc.addr4, skb->data + hdr_len, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, hdr_len, txdesc.addr4,
+ ETH_ALEN);
hdr_len += ETH_ALEN;
}
diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index ad6e4a428355..9137a4dd02eb 100644
--- a/drivers/net/wireless/ipw2100.c
+++ b/drivers/net/wireless/ipw2100.c
@@ -2416,8 +2416,9 @@ static void isr_rx(struct ipw2100_priv *priv, int i,
#ifdef IPW2100_RX_DEBUG
/* Make a copy of the frame so we can dump it to the logs if
* ieee80211_rx fails */
- memcpy(packet_data, packet->skb->data,
- min_t(u32, status->frame_size, IPW_RX_NIC_BUFFER_LENGTH));
+ skb_copy_from_linear_data(packet->skb, packet_data,
+ min_t(u32, status->frame_size,
+ IPW_RX_NIC_BUFFER_LENGTH));
#endif
if (!ieee80211_rx(priv->ieee, packet->skb, stats)) {
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index b04c56a25cc5..4839a45098cb 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -10355,7 +10355,7 @@ static void ipw_handle_promiscuous_tx(struct ipw_priv *priv,
rt_hdr->it_len = dst->len;
- memcpy(skb_put(dst, len), src->data, len);
+ skb_copy_from_linear_data(src, skb_put(dst, len), len);
if (!ieee80211_rx(priv->prom_priv->ieee, dst, &dummystats))
dev_kfree_skb_any(dst);
diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c
index 6ebfff034242..7d8bff1dbc4d 100644
--- a/drivers/net/wireless/prism54/islpci_eth.c
+++ b/drivers/net/wireless/prism54/islpci_eth.c
@@ -162,13 +162,16 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev)
skb_put(newskb, init_wds ? skb->len + 6 : skb->len);
if (init_wds) {
- memcpy(newskb->data + 6, skb->data, skb->len);
+ skb_copy_from_linear_data(skb,
+ newskb->data + 6,
+ skb->len);
memcpy(newskb->data, wds_mac, 6);
#ifdef ISLPCI_ETH_DEBUG
printk("islpci_eth_transmit:wds_mac\n");
#endif
} else
- memcpy(newskb->data, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, newskb->data,
+ skb->len);
#if VERBOSE > SHOW_ERROR_MESSAGES
DEBUG(SHOW_TRACING, "memcpy %p %p %i wds %i\n",
@@ -394,8 +397,10 @@ islpci_eth_receive(islpci_private *priv)
/* Update spy records */
wireless_spy_update(ndev, annex->addr2, &wstats);
- memcpy(skb->data + sizeof (struct rfmon_header),
- skb->data, 2 * ETH_ALEN);
+ skb_copy_from_linear_data(skb,
+ (skb->data +
+ sizeof(struct rfmon_header)),
+ 2 * ETH_ALEN);
skb_pull(skb, sizeof (struct rfmon_header));
}
skb->protocol = eth_type_trans(skb, ndev);
diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index 9633b0457f8c..3be624295a1f 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -2242,7 +2242,8 @@ static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned i
rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
/* Get source address */
#ifdef WIRELESS_SPY
- memcpy(linksrcaddr, ((struct mac_header *)skb->data)->addr_2, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, offsetof(struct mac_header, addr_2),
+ linksrcaddr, ETH_ALEN);
#endif
/* Now, deal with encapsulation/translation/sniffer */
if (!sniffer) {
diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
index 2bf77b1ee531..1cf090d60edc 100644
--- a/drivers/net/wireless/wavelan.c
+++ b/drivers/net/wireless/wavelan.c
@@ -2938,7 +2938,7 @@ static int wavelan_packet_xmit(struct sk_buff *skb, struct net_device * dev)
* need to pad. Jean II */
if (skb->len < ETH_ZLEN) {
memset(data, 0, ETH_ZLEN);
- memcpy(data, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, data, skb->len);
/* Write packet on the card */
if(wv_packet_write(dev, data, ETH_ZLEN))
return 1; /* We failed */
diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c
index 1fe013a7297a..935b144d9b56 100644
--- a/drivers/net/wireless/zd1201.c
+++ b/drivers/net/wireless/zd1201.c
@@ -807,10 +807,10 @@ static int zd1201_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
txbuf[4] = 0x00;
txbuf[5] = 0x00;
- memcpy(txbuf+6, skb->data+12, skb->len-12);
+ skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12);
if (pad)
txbuf[skb->len-12+6]=0;
- memcpy(txbuf+skb->len-12+6+pad, skb->data, 12);
+ skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12);
*(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6);
txbuf[txbuflen-1] = 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.