networking: add and use skb_put_u8()
Joe and Bjørn suggested that it'd be nicer to not have the
cast in the fairly common case of doing
*(u8 *)skb_put(skb, 1) = c;
Add skb_put_u8() for this case, and use it across the code,
using the following spatch:
@@
expression SKB, C, S;
typedef u8;
identifier fn = {skb_put};
fresh identifier fn2 = fn ## "_u8";
@@
- *(u8 *)fn(SKB, S) = C;
+ fn2(SKB, C);
Note that due to the "S", the spatch isn't perfect, it should
have checked that S is 1, but there's also places that use a
sizeof expression like sizeof(var) or sizeof(u8) etc. Turns
out that nobody ever did something like
*(u8 *)skb_put(skb, 2) = c;
which would be wrong anyway since the second byte wouldn't be
initialized.
Suggested-by: Joe Perches <joe@perches.com>
Suggested-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c
index 39a05b0..d4b0b65 100644
--- a/drivers/bluetooth/bluecard_cs.c
+++ b/drivers/bluetooth/bluecard_cs.c
@@ -448,7 +448,7 @@ static void bluecard_receive(struct bluecard_info *info,
} else {
- *(u8 *)skb_put(info->rx_skb, 1) = buf[i];
+ skb_put_u8(info->rx_skb, buf[i]);
info->rx_count--;
if (info->rx_count == 0) {
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index be2d431..32dcac0 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -282,7 +282,7 @@ static void bt3c_receive(struct bt3c_info *info)
__u8 x = inb(iobase + DATA_L);
- *(u8 *)skb_put(info->rx_skb, 1) = x;
+ skb_put_u8(info->rx_skb, x);
inb(iobase + DATA_H);
info->rx_count--;
diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index 80b64e9..7df79bb 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -233,7 +233,7 @@ static void btuart_receive(struct btuart_info *info)
} else {
- *(u8 *)skb_put(info->rx_skb, 1) = inb(iobase + UART_RX);
+ skb_put_u8(info->rx_skb, inb(iobase + UART_RX));
info->rx_count--;
if (info->rx_count == 0) {
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index ba207c7..fa24d69 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1844,7 +1844,7 @@ static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
evt->ncmd = 0x01;
evt->opcode = cpu_to_le16(opcode);
- *(u8 *)skb_put(skb, 1) = 0x00;
+ skb_put_u8(skb, 0x00);
hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
@@ -2767,8 +2767,8 @@ static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
return ERR_PTR(-ENOMEM);
}
- *(u8 *)skb_put(skb, 1) = 0xf0;
- *(u8 *)skb_put(skb, 1) = enable;
+ skb_put_u8(skb, 0xf0);
+ skb_put_u8(skb, enable);
pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c
index 6c5a3aa..2adfe4f 100644
--- a/drivers/bluetooth/dtl1_cs.c
+++ b/drivers/bluetooth/dtl1_cs.c
@@ -226,7 +226,7 @@ static void dtl1_receive(struct dtl1_info *info)
}
}
- *(u8 *)skb_put(info->rx_skb, 1) = inb(iobase + UART_RX);
+ skb_put_u8(info->rx_skb, inb(iobase + UART_RX));
nsh = (struct nsh *)info->rx_skb->data;
info->rx_count--;
@@ -414,7 +414,7 @@ static int dtl1_hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
skb_reserve(s, NSHL);
skb_copy_from_linear_data(skb, skb_put(s, skb->len), skb->len);
if (skb->len & 0x0001)
- *(u8 *)skb_put(s, 1) = 0; /* PAD */
+ skb_put_u8(s, 0); /* PAD */
/* Prepend skb with Nokia frame header and queue */
memcpy(skb_push(s, NSHL), &nsh, NSHL);
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index c1c4048..d2e9e2d 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -262,9 +262,9 @@ static int bcm_set_diag(struct hci_dev *hdev, bool enable)
if (!skb)
return -ENOMEM;
- *(u8 *)skb_put(skb, 1) = BCM_LM_DIAG_PKT;
- *(u8 *)skb_put(skb, 1) = 0xf0;
- *(u8 *)skb_put(skb, 1) = enable;
+ skb_put_u8(skb, BCM_LM_DIAG_PKT);
+ skb_put_u8(skb, 0xf0);
+ skb_put_u8(skb, enable);
skb_queue_tail(&bcm->txq, skb);
hci_uart_tx_wakeup(hu);
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c
index ee97c46..aad07e4 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -470,7 +470,7 @@ static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
evt->ncmd = 0x01;
evt->opcode = cpu_to_le16(opcode);
- *(u8 *)skb_put(skb, 1) = 0x00;
+ skb_put_u8(skb, 0x00);
hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
diff --git a/drivers/bluetooth/hci_nokia.c b/drivers/bluetooth/hci_nokia.c
index 072a77a..181a15b 100644
--- a/drivers/bluetooth/hci_nokia.c
+++ b/drivers/bluetooth/hci_nokia.c
@@ -532,7 +532,7 @@ static int nokia_enqueue(struct hci_uart *hu, struct sk_buff *skb)
err = skb_pad(skb, 1);
if (err)
return err;
- *(u8 *)skb_put(skb, 1) = 0x00;
+ skb_put_u8(skb, 0x00);
}
skb_queue_tail(&btdev->txq, skb);
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index e2c8851..392f412 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -215,7 +215,7 @@ static int send_hci_ibs_cmd(u8 cmd, struct hci_uart *hu)
}
/* Assign HCI_IBS type */
- *(u8 *)skb_put(skb, 1) = cmd;
+ skb_put_u8(skb, cmd);
skb_queue_tail(&qca->txq, skb);
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 1ef9c42..e6f6dbc 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -146,8 +146,8 @@ static int __vhci_create_device(struct vhci_data *data, __u8 opcode)
hci_skb_pkt_type(skb) = HCI_VENDOR_PKT;
- *(u8 *)skb_put(skb, 1) = 0xff;
- *(u8 *)skb_put(skb, 1) = opcode;
+ skb_put_u8(skb, 0xff);
+ skb_put_u8(skb, opcode);
put_unaligned_le16(hdev->id, skb_put(skb, 2));
skb_queue_tail(&data->readq, skb);
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 96f586d..dde8f46 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1082,7 +1082,7 @@ static int capinc_tty_put_char(struct tty_struct *tty, unsigned char ch)
skb = mp->outskb;
if (skb) {
if (skb_tailroom(skb) > 0) {
- *(u8 *)skb_put(skb, 1) = ch;
+ skb_put_u8(skb, ch);
goto unlock_out;
}
mp->outskb = NULL;
@@ -1094,7 +1094,7 @@ static int capinc_tty_put_char(struct tty_struct *tty, unsigned char ch)
skb = alloc_skb(CAPI_DATA_B3_REQ_LEN + CAPI_MAX_BLKSIZE, GFP_ATOMIC);
if (skb) {
skb_reserve(skb, CAPI_DATA_B3_REQ_LEN);
- *(u8 *)skb_put(skb, 1) = ch;
+ skb_put_u8(skb, ch);
mp->outskb = skb;
} else {
printk(KERN_ERR "capinc_put_char: char %u lost\n", ch);
diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c
index 03ac9fb..4caecdc 100644
--- a/drivers/isdn/gigaset/asyncdata.c
+++ b/drivers/isdn/gigaset/asyncdata.c
@@ -492,33 +492,33 @@ static struct sk_buff *HDLC_Encode(struct sk_buff *skb)
hdlc_skb->mac_len = skb->mac_len;
/* Add flag sequence in front of everything.. */
- *(u8 *)skb_put(hdlc_skb, 1) = PPP_FLAG;
+ skb_put_u8(hdlc_skb, PPP_FLAG);
/* Perform byte stuffing while copying data. */
while (skb->len--) {
if (muststuff(*skb->data)) {
- *(u8 *)skb_put(hdlc_skb, 1) = PPP_ESCAPE;
- *(u8 *)skb_put(hdlc_skb, 1) = (*skb->data++) ^ PPP_TRANS;
+ skb_put_u8(hdlc_skb, PPP_ESCAPE);
+ skb_put_u8(hdlc_skb, (*skb->data++) ^ PPP_TRANS);
} else
- *(u8 *)skb_put(hdlc_skb, 1) = *skb->data++;
+ skb_put_u8(hdlc_skb, *skb->data++);
}
/* Finally add FCS (byte stuffed) and flag sequence */
c = (fcs & 0x00ff); /* least significant byte first */
if (muststuff(c)) {
- *(u8 *)skb_put(hdlc_skb, 1) = PPP_ESCAPE;
+ skb_put_u8(hdlc_skb, PPP_ESCAPE);
c ^= PPP_TRANS;
}
- *(u8 *)skb_put(hdlc_skb, 1) = c;
+ skb_put_u8(hdlc_skb, c);
c = ((fcs >> 8) & 0x00ff);
if (muststuff(c)) {
- *(u8 *)skb_put(hdlc_skb, 1) = PPP_ESCAPE;
+ skb_put_u8(hdlc_skb, PPP_ESCAPE);
c ^= PPP_TRANS;
}
- *(u8 *)skb_put(hdlc_skb, 1) = c;
+ skb_put_u8(hdlc_skb, c);
- *(u8 *)skb_put(hdlc_skb, 1) = PPP_FLAG;
+ skb_put_u8(hdlc_skb, PPP_FLAG);
dev_kfree_skb_any(skb);
return hdlc_skb;
@@ -561,8 +561,8 @@ static struct sk_buff *iraw_encode(struct sk_buff *skb)
while (len--) {
c = bitrev8(*cp++);
if (c == DLE_FLAG)
- *(u8 *)skb_put(iraw_skb, 1) = c;
- *(u8 *)skb_put(iraw_skb, 1) = c;
+ skb_put_u8(iraw_skb, c);
+ skb_put_u8(iraw_skb, c);
}
dev_kfree_skb_any(skb);
return iraw_skb;
diff --git a/drivers/isdn/i4l/isdn_bsdcomp.c b/drivers/isdn/i4l/isdn_bsdcomp.c
index 6ade091..3035210 100644
--- a/drivers/isdn/i4l/isdn_bsdcomp.c
+++ b/drivers/isdn/i4l/isdn_bsdcomp.c
@@ -602,7 +602,8 @@ static int bsd_compress(void *state, struct sk_buff *skb_in, struct sk_buff *skb
* Do not emit a completely useless byte of ones.
*/
if (bitno < 32 && skb_out && skb_tailroom(skb_out) > 0)
- *(u8 *)skb_put(skb_out, 1) = (unsigned char)((accm | (0xff << (bitno - 8))) >> 24);
+ skb_put_u8(skb_out,
+ (unsigned char)((accm | (0xff << (bitno - 8))) >> 24));
/*
* Increase code size if we would have without the packet
@@ -698,7 +699,7 @@ static int bsd_decompress(void *state, struct sk_buff *skb_in, struct sk_buff *s
db->bytes_out += ilen;
if (skb_tailroom(skb_out) > 0)
- *(u8 *)skb_put(skb_out, 1) = 0;
+ skb_put_u8(skb_out, 0);
else
return DECOMP_ERR_NOMEM;
@@ -816,7 +817,7 @@ static int bsd_decompress(void *state, struct sk_buff *skb_in, struct sk_buff *s
#endif
if (extra) /* the KwKwK case again */
- *(u8 *)skb_put(skb_out, 1) = finchar;
+ skb_put_u8(skb_out, finchar);
/*
* If not first code in a packet, and
diff --git a/drivers/isdn/i4l/isdn_x25iface.c b/drivers/isdn/i4l/isdn_x25iface.c
index e33fa30..48bfbcb 100644
--- a/drivers/isdn/i4l/isdn_x25iface.c
+++ b/drivers/isdn/i4l/isdn_x25iface.c
@@ -224,7 +224,7 @@ static int isdn_x25iface_connect_ind(struct concap_proto *cprot)
skb = dev_alloc_skb(1);
if (skb) {
- *(u8 *)skb_put(skb, 1) = X25_IFACE_CONNECT;
+ skb_put_u8(skb, X25_IFACE_CONNECT);
skb->protocol = x25_type_trans(skb, cprot->net_dev);
netif_rx(skb);
return 0;
@@ -253,7 +253,7 @@ static int isdn_x25iface_disconn_ind(struct concap_proto *cprot)
*state_p = WAN_DISCONNECTED;
skb = dev_alloc_skb(1);
if (skb) {
- *(u8 *)skb_put(skb, 1) = X25_IFACE_DISCONNECT;
+ skb_put_u8(skb, X25_IFACE_DISCONNECT);
skb->protocol = x25_type_trans(skb, cprot->net_dev);
netif_rx(skb);
return 0;
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 140a209..295f267 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -540,7 +540,7 @@ static inline void scc_rxint(struct scc_channel *scc)
}
scc->rx_buff = skb;
- *(u8 *)skb_put(skb, 1) = 0; /* KISS data */
+ skb_put_u8(skb, 0); /* KISS data */
}
if (skb->len >= scc->stat.bufsize)
@@ -555,7 +555,7 @@ static inline void scc_rxint(struct scc_channel *scc)
return;
}
- *(u8 *)skb_put(skb, 1) = Inb(scc->data);
+ skb_put_u8(skb, Inb(scc->data));
}
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 4d4837a..bcb9747 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1250,7 +1250,7 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
skb_put_zero(skb_out, padding_count);
} else if (skb_out->len < ctx->tx_max &&
(skb_out->len % dev->maxpacket) == 0) {
- *(u8 *)skb_put(skb_out, 1) = 0; /* force short packet */
+ skb_put_u8(skb_out, 0); /* force short packet */
}
/* set final frame length */
diff --git a/drivers/net/usb/net1080.c b/drivers/net/usb/net1080.c
index be53ff3..18a13aa 100644
--- a/drivers/net/usb/net1080.c
+++ b/drivers/net/usb/net1080.c
@@ -473,7 +473,7 @@ net1080_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
/* maybe pad; then trailer */
if (!((skb->len + sizeof *trailer) & 0x01))
- *(u8 *)skb_put(skb, 1) = PAD_BYTE;
+ skb_put_u8(skb, PAD_BYTE);
trailer = skb_put(skb, sizeof *trailer);
put_unaligned(header->packet_id, &trailer->packet_id);
#if 0
diff --git a/drivers/net/usb/zaurus.c b/drivers/net/usb/zaurus.c
index dc3cd03..9c2196c 100644
--- a/drivers/net/usb/zaurus.c
+++ b/drivers/net/usb/zaurus.c
@@ -74,10 +74,10 @@ zaurus_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
fcs = crc32_le(~0, skb->data, skb->len);
fcs = ~fcs;
- *(u8 *)skb_put(skb, 1) = fcs & 0xff;
- *(u8 *)skb_put(skb, 1) = (fcs>> 8) & 0xff;
- *(u8 *)skb_put(skb, 1) = (fcs>>16) & 0xff;
- *(u8 *)skb_put(skb, 1) = (fcs>>24) & 0xff;
+ skb_put_u8(skb, fcs & 0xff);
+ skb_put_u8(skb, (fcs >> 8) & 0xff);
+ skb_put_u8(skb, (fcs >> 16) & 0xff);
+ skb_put_u8(skb, (fcs >> 24) & 0xff);
}
return skb;
}
diff --git a/drivers/nfc/fdp/i2c.c b/drivers/nfc/fdp/i2c.c
index d5781aa..e0baec8 100644
--- a/drivers/nfc/fdp/i2c.c
+++ b/drivers/nfc/fdp/i2c.c
@@ -86,7 +86,7 @@ static void fdp_nci_i2c_add_len_lrc(struct sk_buff *skb)
for (i = 0; i < len + 2; i++)
lrc ^= skb->data[i];
- *(u8 *)skb_put(skb, 1) = lrc;
+ skb_put_u8(skb, lrc);
}
static void fdp_nci_i2c_remove_len_lrc(struct sk_buff *skb)
diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c
index 386cc61..b668b7b 100644
--- a/drivers/nfc/microread/i2c.c
+++ b/drivers/nfc/microread/i2c.c
@@ -75,7 +75,7 @@ static void microread_i2c_add_len_crc(struct sk_buff *skb)
for (i = 0; i < skb->len; i++)
crc = crc ^ skb->data[i];
- *(u8 *)skb_put(skb, 1) = crc;
+ skb_put_u8(skb, crc);
}
static void microread_i2c_remove_len_crc(struct sk_buff *skb)
@@ -173,7 +173,7 @@ static int microread_i2c_read(struct microread_i2c_phy *phy,
goto flush;
}
- *(u8 *)skb_put(*skb, 1) = len;
+ skb_put_u8(*skb, len);
r = i2c_master_recv(client, skb_put(*skb, len), len);
if (r != len) {
diff --git a/drivers/nfc/microread/microread.c b/drivers/nfc/microread/microread.c
index 38a979e..e5d5d2d9 100644
--- a/drivers/nfc/microread/microread.c
+++ b/drivers/nfc/microread/microread.c
@@ -441,8 +441,8 @@ static int microread_im_transceive(struct nfc_hci_dev *hdev,
crc = crc_ccitt(0xffff, skb->data, skb->len);
crc = ~crc;
- *(u8 *)skb_put(skb, 1) = crc & 0xff;
- *(u8 *)skb_put(skb, 1) = crc >> 8;
+ skb_put_u8(skb, crc & 0xff);
+ skb_put_u8(skb, crc >> 8);
break;
case MICROREAD_GATE_ID_MREAD_NFC_T3:
control_bits = 0xDB;
diff --git a/drivers/nfc/nfcmrvl/fw_dnld.c b/drivers/nfc/nfcmrvl/fw_dnld.c
index 788599de..f9f000c 100644
--- a/drivers/nfc/nfcmrvl/fw_dnld.c
+++ b/drivers/nfc/nfcmrvl/fw_dnld.c
@@ -292,7 +292,7 @@ static int process_state_fw_dnld(struct nfcmrvl_private *priv,
out_skb = alloc_lc_skb(priv, 1);
if (!out_skb)
return -ENOMEM;
- *(u8 *)skb_put(out_skb, 1) = 0xBF;
+ skb_put_u8(out_skb, 0xBF);
nci_send_frame(priv->ndev, out_skb);
priv->fw_dnld.substate = SUBSTATE_WAIT_NACK_CREDIT;
return 0;
@@ -301,7 +301,7 @@ static int process_state_fw_dnld(struct nfcmrvl_private *priv,
out_skb = alloc_lc_skb(priv, 1);
if (!out_skb)
return -ENOMEM;
- *(u8 *)skb_put(out_skb, 1) = HELPER_ACK_PACKET_FORMAT;
+ skb_put_u8(out_skb, HELPER_ACK_PACKET_FORMAT);
nci_send_frame(priv->ndev, out_skb);
priv->fw_dnld.substate = SUBSTATE_WAIT_ACK_CREDIT;
break;
diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c
index 6a711b5..c8a8f5b 100644
--- a/drivers/nfc/pn533/pn533.c
+++ b/drivers/nfc/pn533/pn533.c
@@ -1032,7 +1032,7 @@ static struct sk_buff *pn533_alloc_poll_tg_frame(struct pn533 *dev)
return NULL;
/* DEP support only */
- *(u8 *)skb_put(skb, 1) = PN533_INIT_TARGET_DEP;
+ skb_put_u8(skb, PN533_INIT_TARGET_DEP);
/* MIFARE params */
skb_put_data(skb, mifare_params, 6);
@@ -1046,12 +1046,12 @@ static struct sk_buff *pn533_alloc_poll_tg_frame(struct pn533 *dev)
memcpy(nfcid3, felica, 8);
/* General bytes */
- *(u8 *)skb_put(skb, 1) = gbytes_len;
+ skb_put_u8(skb, gbytes_len);
gb = skb_put_data(skb, gbytes, gbytes_len);
/* Len Tk */
- *(u8 *)skb_put(skb, 1) = 0;
+ skb_put_u8(skb, 0);
return skb;
}
@@ -1280,8 +1280,8 @@ static void pn533_wq_rf(struct work_struct *work)
if (!skb)
return;
- *(u8 *)skb_put(skb, 1) = PN533_CFGITEM_RF_FIELD;
- *(u8 *)skb_put(skb, 1) = PN533_CFGITEM_RF_FIELD_AUTO_RFCA;
+ skb_put_u8(skb, PN533_CFGITEM_RF_FIELD);
+ skb_put_u8(skb, PN533_CFGITEM_RF_FIELD_AUTO_RFCA);
rc = pn533_send_cmd_async(dev, PN533_CMD_RF_CONFIGURATION, skb,
pn533_rf_complete, NULL);
@@ -1375,8 +1375,8 @@ static int pn533_poll_dep(struct nfc_dev *nfc_dev)
if (!skb)
return -ENOMEM;
- *(u8 *)skb_put(skb, 1) = 0x01; /* Active */
- *(u8 *)skb_put(skb, 1) = 0x02; /* 424 kbps */
+ skb_put_u8(skb, 0x01); /* Active */
+ skb_put_u8(skb, 0x02); /* 424 kbps */
next = skb_put(skb, 1); /* Next */
*next = 0;
@@ -1620,8 +1620,8 @@ static int pn533_activate_target_nfcdep(struct pn533 *dev)
if (!skb)
return -ENOMEM;
- *(u8 *)skb_put(skb, sizeof(u8)) = 1; /* TG */
- *(u8 *)skb_put(skb, sizeof(u8)) = 0; /* Next */
+ skb_put_u8(skb, 1); /* TG */
+ skb_put_u8(skb, 0); /* Next */
resp = pn533_send_cmd_sync(dev, PN533_CMD_IN_ATR, skb);
if (IS_ERR(resp))
@@ -1737,7 +1737,7 @@ static void pn533_deactivate_target(struct nfc_dev *nfc_dev,
if (!skb)
return;
- *(u8 *)skb_put(skb, 1) = 1; /* TG*/
+ skb_put_u8(skb, 1); /* TG*/
rc = pn533_send_cmd_async(dev, PN533_CMD_IN_RELEASE, skb,
pn533_deactivate_target_complete, NULL);
@@ -1848,8 +1848,8 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target,
if (!skb)
return -ENOMEM;
- *(u8 *)skb_put(skb, 1) = !comm_mode; /* ActPass */
- *(u8 *)skb_put(skb, 1) = 0x02; /* 424 kbps */
+ skb_put_u8(skb, !comm_mode); /* ActPass */
+ skb_put_u8(skb, 0x02); /* 424 kbps */
next = skb_put(skb, 1); /* Next */
*next = 0;
@@ -2274,7 +2274,7 @@ static void pn533_wq_mi_recv(struct work_struct *work)
break;
}
default:
- *(u8 *)skb_put(skb, sizeof(u8)) = 1; /*TG*/
+ skb_put_u8(skb, 1); /*TG*/
rc = pn533_send_cmd_direct_async(dev,
PN533_CMD_IN_DATA_EXCHANGE,
@@ -2370,7 +2370,7 @@ static int pn533_set_configuration(struct pn533 *dev, u8 cfgitem, u8 *cfgdata,
if (!skb)
return -ENOMEM;
- *(u8 *)skb_put(skb, sizeof(cfgitem)) = cfgitem;
+ skb_put_u8(skb, cfgitem);
skb_put_data(skb, cfgdata, cfgdata_len);
resp = pn533_send_cmd_sync(dev, PN533_CMD_RF_CONFIGURATION, skb);
@@ -2415,7 +2415,7 @@ static int pn533_pasori_fw_reset(struct pn533 *dev)
if (!skb)
return -ENOMEM;
- *(u8 *)skb_put(skb, sizeof(u8)) = 0x1;
+ skb_put_u8(skb, 0x1);
resp = pn533_send_cmd_sync(dev, 0x18, skb);
if (IS_ERR(resp))
@@ -2454,7 +2454,7 @@ static int pn532_sam_configuration(struct nfc_dev *nfc_dev)
if (!skb)
return -ENOMEM;
- *(u8 *)skb_put(skb, 1) = 0x01;
+ skb_put_u8(skb, 0x01);
resp = pn533_send_cmd_sync(dev, PN533_CMD_SAM_CONFIGURATION, skb);
if (IS_ERR(resp))
diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c
index b7be6c2..fedde9d 100644
--- a/drivers/nfc/pn544/i2c.c
+++ b/drivers/nfc/pn544/i2c.c
@@ -287,8 +287,8 @@ static void pn544_hci_i2c_add_len_crc(struct sk_buff *skb)
crc = crc_ccitt(0xffff, skb->data, skb->len);
crc = ~crc;
- *(u8 *)skb_put(skb, 1) = crc & 0xff;
- *(u8 *)skb_put(skb, 1) = crc >> 8;
+ skb_put_u8(skb, crc & 0xff);
+ skb_put_u8(skb, crc >> 8);
}
static void pn544_hci_i2c_remove_len_crc(struct sk_buff *skb)
@@ -391,7 +391,7 @@ static int pn544_hci_i2c_read(struct pn544_i2c_phy *phy, struct sk_buff **skb)
goto flush;
}
- *(u8 *)skb_put(*skb, 1) = len;
+ skb_put_u8(*skb, len);
r = i2c_master_recv(client, skb_put(*skb, len), len);
if (r != len) {
diff --git a/drivers/nfc/port100.c b/drivers/nfc/port100.c
index 5fa3cf0..bb43ceb 100644
--- a/drivers/nfc/port100.c
+++ b/drivers/nfc/port100.c
@@ -991,7 +991,7 @@ static int port100_set_command_type(struct port100 *dev, u8 command_type)
if (!skb)
return -ENOMEM;
- *(u8 *)skb_put(skb, sizeof(u8)) = command_type;
+ skb_put_u8(skb, command_type);
resp = port100_send_cmd_sync(dev, PORT100_CMD_SET_COMMAND_TYPE, skb);
if (IS_ERR(resp))
@@ -1059,7 +1059,7 @@ static int port100_switch_rf(struct nfc_digital_dev *ddev, bool on)
if (!skb)
return -ENOMEM;
- *(u8 *)skb_put(skb, 1) = on ? 1 : 0;
+ skb_put_u8(skb, on ? 1 : 0);
/* Cancel the last command if the device is being switched off */
if (!on)
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 396cdaf..4bff76b 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -177,10 +177,10 @@ static void st21nfca_hci_add_len_crc(struct sk_buff *skb)
crc = ~crc;
tmp = crc & 0x00ff;
- *(u8 *)skb_put(skb, 1) = tmp;
+ skb_put_u8(skb, tmp);
tmp = (crc >> 8) & 0x00ff;
- *(u8 *)skb_put(skb, 1) = tmp;
+ skb_put_u8(skb, tmp);
}
static void st21nfca_hci_remove_len_crc(struct sk_buff *skb)
@@ -214,7 +214,7 @@ static int st21nfca_hci_i2c_write(void *phy_id, struct sk_buff *skb)
st21nfca_hci_add_len_crc(skb);
/* add ST21NFCA_SOF_EOF on tail */
- *(u8 *)skb_put(skb, 1) = ST21NFCA_SOF_EOF;
+ skb_put_u8(skb, ST21NFCA_SOF_EOF);
/* add ST21NFCA_SOF_EOF on head */
*(u8 *)skb_push(skb, 1) = ST21NFCA_SOF_EOF;
diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c
index 168adcc4..2b26f76 100644
--- a/drivers/nfc/st95hf/core.c
+++ b/drivers/nfc/st95hf/core.c
@@ -949,7 +949,7 @@ static int st95hf_in_send_cmd(struct nfc_digital_dev *ddev,
switch (stcontext->current_rf_tech) {
case NFC_DIGITAL_RF_TECH_106A:
len_data_to_tag = skb->len + 1;
- *(u8 *)skb_put(skb, 1) = stcontext->sendrcv_trflag;
+ skb_put_u8(skb, stcontext->sendrcv_trflag);
break;
case NFC_DIGITAL_RF_TECH_106B:
case NFC_DIGITAL_RF_TECH_ISO15693: