net: manual clean code which call skb_put_[data:zero]
Signed-off-by: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/netfilter/nft_reject_bridge.c b/net/bridge/netfilter/nft_reject_bridge.c
index a05775a..eaf05de 100644
--- a/net/bridge/netfilter/nft_reject_bridge.c
+++ b/net/bridge/netfilter/nft_reject_bridge.c
@@ -107,7 +107,6 @@
struct iphdr *niph;
struct icmphdr *icmph;
unsigned int len;
- void *payload;
__wsum csum;
u8 proto;
@@ -151,7 +150,7 @@
icmph->type = ICMP_DEST_UNREACH;
icmph->code = code;
- payload = skb_put_data(nskb, skb_network_header(oldskb), len);
+ skb_put_data(nskb, skb_network_header(oldskb), len);
csum = csum_partial((void *)icmph, len + sizeof(struct icmphdr), 0);
icmph->checksum = csum_fold(csum);
@@ -247,7 +246,6 @@
struct ipv6hdr *nip6h;
struct icmp6hdr *icmp6h;
unsigned int len;
- void *payload;
if (!nft_bridge_ip6hdr_validate(oldskb))
return;
@@ -277,7 +275,7 @@
icmp6h->icmp6_type = ICMPV6_DEST_UNREACH;
icmp6h->icmp6_code = code;
- payload = skb_put_data(nskb, skb_network_header(oldskb), len);
+ skb_put_data(nskb, skb_network_header(oldskb), len);
nip6h->payload_len = htons(nskb->len - sizeof(struct ipv6hdr));
icmp6h->icmp6_cksum =
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index 172f131..b09e562 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -43,8 +43,7 @@
kfree_skb(skb);
if (padlen) {
- u8 *pad = skb_put(nskb, padlen);
- memset(pad, 0, padlen);
+ skb_put_zero(nskb, padlen);
}
trailer = skb_put(nskb, 4);
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index 0a0a392..4e7bdb2 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -284,12 +284,12 @@
skb_reset_mac_header(skb);
if (hsrVer > 0) {
- hsr_tag = (typeof(hsr_tag)) skb_put(skb, sizeof(struct hsr_tag));
+ hsr_tag = skb_put(skb, sizeof(struct hsr_tag));
hsr_tag->encap_proto = htons(ETH_P_PRP);
set_hsr_tag_LSDU_size(hsr_tag, HSR_V1_SUP_LSDUSIZE);
}
- hsr_stag = (typeof(hsr_stag)) skb_put(skb, sizeof(struct hsr_sup_tag));
+ hsr_stag = skb_put(skb, sizeof(struct hsr_sup_tag));
set_hsr_stag_path(hsr_stag, (hsrVer ? 0x0 : 0xf));
set_hsr_stag_HSR_Ver(hsr_stag, hsrVer);
@@ -311,7 +311,7 @@
hsr_stag->HSR_TLV_Length = hsrVer ? sizeof(struct hsr_sup_payload) : 12;
/* Payload: MacAddressA */
- hsr_sp = (typeof(hsr_sp)) skb_put(skb, sizeof(struct hsr_sup_payload));
+ hsr_sp = skb_put(skb, sizeof(struct hsr_sup_payload));
ether_addr_copy(hsr_sp->MacAddressA, master->dev->dev_addr);
skb_put_padto(skb, ETH_ZLEN + HSR_HLEN);
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 82e71e5..debda3d 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -392,7 +392,7 @@
info[0] = discovery->data.charset;
len = IRDA_MIN(discovery->name_len, skb_tailroom(tx_skb));
- info = skb_put_data(tx_skb, discovery->data.info, len);
+ skb_put_data(tx_skb, discovery->data.info, len);
}
irlap_queue_xmit(self, tx_skb);
}
@@ -1194,7 +1194,6 @@
{
struct sk_buff *tx_skb;
struct test_frame *frame;
- __u8 *info;
tx_skb = alloc_skb(cmd->len + sizeof(struct test_frame), GFP_ATOMIC);
if (!tx_skb)
@@ -1214,7 +1213,7 @@
frame->control = TEST_RSP | PF_BIT;
/* Copy info */
- info = skb_put_data(tx_skb, cmd->data, cmd->len);
+ skb_put_data(tx_skb, cmd->data, cmd->len);
/* Return to sender */
irlap_wait_min_turn_around(self, &self->qos_tx);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 7be7917..b588e59 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -796,8 +796,7 @@
after_ric,
ARRAY_SIZE(after_ric),
offset);
- pos = skb_put_data(skb, assoc_data->ie + offset,
- noffset - offset);
+ skb_put_data(skb, assoc_data->ie + offset, noffset - offset);
offset = noffset;
}
@@ -834,8 +833,7 @@
noffset = ieee80211_ie_split(assoc_data->ie, assoc_data->ie_len,
before_vht, ARRAY_SIZE(before_vht),
offset);
- pos = skb_put_data(skb, assoc_data->ie + offset,
- noffset - offset);
+ skb_put_data(skb, assoc_data->ie + offset, noffset - offset);
offset = noffset;
}
@@ -848,8 +846,7 @@
noffset = ieee80211_ie_split_vendor(assoc_data->ie,
assoc_data->ie_len,
offset);
- pos = skb_put_data(skb, assoc_data->ie + offset,
- noffset - offset);
+ skb_put_data(skb, assoc_data->ie + offset, noffset - offset);
offset = noffset;
}
@@ -868,8 +865,7 @@
/* add any remaining custom (i.e. vendor specific here) IEs */
if (assoc_data->ie_len) {
noffset = assoc_data->ie_len;
- pos = skb_put_data(skb, assoc_data->ie + offset,
- noffset - offset);
+ skb_put_data(skb, assoc_data->ie + offset, noffset - offset);
}
if (assoc_data->fils_kek_len &&
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 709ef02..91093d4 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -388,7 +388,7 @@
before_ext_cap,
ARRAY_SIZE(before_ext_cap),
offset);
- pos = skb_put_data(skb, extra_ies + offset, noffset - offset);
+ skb_put_data(skb, extra_ies + offset, noffset - offset);
offset = noffset;
}
@@ -417,7 +417,7 @@
before_ht_cap,
ARRAY_SIZE(before_ht_cap),
offset);
- pos = skb_put_data(skb, extra_ies + offset, noffset - offset);
+ skb_put_data(skb, extra_ies + offset, noffset - offset);
offset = noffset;
}
@@ -488,7 +488,7 @@
before_vht_cap,
ARRAY_SIZE(before_vht_cap),
offset);
- pos = skb_put_data(skb, extra_ies + offset, noffset - offset);
+ skb_put_data(skb, extra_ies + offset, noffset - offset);
offset = noffset;
}
@@ -529,7 +529,7 @@
/* add any remaining IEs */
if (extra_ies_len) {
noffset = extra_ies_len;
- pos = skb_put_data(skb, extra_ies + offset, noffset - offset);
+ skb_put_data(skb, extra_ies + offset, noffset - offset);
}
}
@@ -571,7 +571,7 @@
before_qos,
ARRAY_SIZE(before_qos),
offset);
- pos = skb_put_data(skb, extra_ies + offset, noffset - offset);
+ skb_put_data(skb, extra_ies + offset, noffset - offset);
offset = noffset;
}
@@ -591,7 +591,7 @@
before_ht_op,
ARRAY_SIZE(before_ht_op),
offset);
- pos = skb_put_data(skb, extra_ies + offset, noffset - offset);
+ skb_put_data(skb, extra_ies + offset, noffset - offset);
offset = noffset;
}
@@ -632,7 +632,7 @@
/* add any remaining IEs */
if (extra_ies_len) {
noffset = extra_ies_len;
- pos = skb_put_data(skb, extra_ies + offset, noffset - offset);
+ skb_put_data(skb, extra_ies + offset, noffset - offset);
}
}
@@ -645,7 +645,6 @@
{
struct ieee80211_tdls_data *tf;
size_t offset = 0, noffset;
- u8 *pos;
if (WARN_ON_ONCE(!chandef))
return;
@@ -663,7 +662,7 @@
before_lnkie,
ARRAY_SIZE(before_lnkie),
offset);
- pos = skb_put_data(skb, extra_ies + offset, noffset - offset);
+ skb_put_data(skb, extra_ies + offset, noffset - offset);
offset = noffset;
}
@@ -672,7 +671,7 @@
/* add any remaining IEs */
if (extra_ies_len) {
noffset = extra_ies_len;
- pos = skb_put_data(skb, extra_ies + offset, noffset - offset);
+ skb_put_data(skb, extra_ies + offset, noffset - offset);
}
}
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 2c196b3..4b19679 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1474,11 +1474,10 @@
void *sctp_addto_chunk(struct sctp_chunk *chunk, int len, const void *data)
{
void *target;
- void *padding;
int chunklen = ntohs(chunk->chunk_hdr->length);
int padlen = SCTP_PAD4(chunklen) - chunklen;
- padding = skb_put_zero(chunk->skb, padlen);
+ skb_put_zero(chunk->skb, padlen);
target = skb_put_data(chunk->skb, data, len);
/* Adjust the chunk length field. */
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 7d6ee03..edba7ab 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -90,7 +90,6 @@
static struct sk_buff *virtio_transport_build_skb(void *opaque)
{
struct virtio_vsock_pkt *pkt = opaque;
- unsigned char *t_hdr, *payload;
struct af_vsockmon_hdr *hdr;
struct sk_buff *skb;
@@ -132,10 +131,10 @@
break;
}
- t_hdr = skb_put_data(skb, &pkt->hdr, sizeof(pkt->hdr));
+ skb_put_data(skb, &pkt->hdr, sizeof(pkt->hdr));
if (pkt->len) {
- payload = skb_put_data(skb, pkt->buf, pkt->len);
+ skb_put_data(skb, pkt->buf, pkt->len);
}
return skb;
diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c
index eb466ec..db0b131 100644
--- a/net/x25/x25_subr.c
+++ b/net/x25/x25_subr.c
@@ -188,14 +188,14 @@
*dptr++ = X25_CALL_REQUEST;
len = x25_addr_aton(addresses, &x25->dest_addr,
&x25->source_addr);
- dptr = skb_put_data(skb, addresses, len);
+ skb_put_data(skb, addresses, len);
len = x25_create_facilities(facilities,
&x25->facilities,
&x25->dte_facilities,
x25->neighbour->global_facil_mask);
- dptr = skb_put_data(skb, facilities, len);
- dptr = skb_put_data(skb, x25->calluserdata.cuddata,
- x25->calluserdata.cudlength);
+ skb_put_data(skb, facilities, len);
+ skb_put_data(skb, x25->calluserdata.cuddata,
+ x25->calluserdata.cudlength);
x25->calluserdata.cudlength = 0;
break;
@@ -207,15 +207,15 @@
&x25->facilities,
&x25->dte_facilities,
x25->vc_facil_mask);
- dptr = skb_put_data(skb, facilities, len);
+ skb_put_data(skb, facilities, len);
/* fast select with no restriction on response
allows call user data. Userland must
ensure it is ours and not theirs */
if(x25->facilities.reverse & 0x80) {
- dptr = skb_put_data(skb,
- x25->calluserdata.cuddata,
- x25->calluserdata.cudlength);
+ skb_put_data(skb,
+ x25->calluserdata.cuddata,
+ x25->calluserdata.cudlength);
}
x25->calluserdata.cudlength = 0;
break;