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-rw-r--r--net/core/Makefile1
-rw-r--r--net/core/dev.c10
-rw-r--r--net/core/sock.c6
-rw-r--r--net/core/user_dma.c131
-rw-r--r--net/dccp/proto.c4
-rw-r--r--net/ipv4/sysctl_net_ipv4.c9
-rw-r--r--net/ipv4/tcp.c147
-rw-r--r--net/ipv4/tcp_input.c61
-rw-r--r--net/ipv4/tcp_ipv4.c18
-rw-r--r--net/ipv6/tcp_ipv6.c13
-rw-r--r--net/llc/af_llc.c10
11 files changed, 23 insertions, 387 deletions
diff --git a/net/core/Makefile b/net/core/Makefile
index 9628c20acff6..5038f1ea0349 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -16,7 +16,6 @@ obj-y += net-sysfs.o
obj-$(CONFIG_PROC_FS) += net-procfs.o
obj-$(CONFIG_NET_PKTGEN) += pktgen.o
obj-$(CONFIG_NETPOLL) += netpoll.o
-obj-$(CONFIG_NET_DMA) += user_dma.o
obj-$(CONFIG_FIB_RULES) += fib_rules.o
obj-$(CONFIG_TRACEPOINTS) += net-traces.o
obj-$(CONFIG_NET_DROP_MONITOR) += drop_monitor.o
diff --git a/net/core/dev.c b/net/core/dev.c
index b1b0c8d4d7df..5e37e9abe8c5 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1266,7 +1266,6 @@ static int __dev_open(struct net_device *dev)
clear_bit(__LINK_STATE_START, &dev->state);
else {
dev->flags |= IFF_UP;
- net_dmaengine_get();
dev_set_rx_mode(dev);
dev_activate(dev);
add_device_randomness(dev->dev_addr, dev->addr_len);
@@ -1342,7 +1341,6 @@ static int __dev_close_many(struct list_head *head)
ops->ndo_stop(dev);
dev->flags &= ~IFF_UP;
- net_dmaengine_put();
}
return 0;
@@ -4405,14 +4403,6 @@ static void net_rx_action(struct softirq_action *h)
out:
net_rps_action_and_irq_enable(sd);
-#ifdef CONFIG_NET_DMA
- /*
- * There may not be any more sk_buffs coming right now, so push
- * any pending DMA copies to hardware
- */
- dma_issue_pending_all();
-#endif
-
return;
softnet_break:
diff --git a/net/core/sock.c b/net/core/sock.c
index c0fc6bdad1e3..2f143c3b190a 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1452,9 +1452,6 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
atomic_set(&newsk->sk_omem_alloc, 0);
skb_queue_head_init(&newsk->sk_receive_queue);
skb_queue_head_init(&newsk->sk_write_queue);
-#ifdef CONFIG_NET_DMA
- skb_queue_head_init(&newsk->sk_async_wait_queue);
-#endif
spin_lock_init(&newsk->sk_dst_lock);
rwlock_init(&newsk->sk_callback_lock);
@@ -2265,9 +2262,6 @@ void sock_init_data(struct socket *sock, struct sock *sk)
skb_queue_head_init(&sk->sk_receive_queue);
skb_queue_head_init(&sk->sk_write_queue);
skb_queue_head_init(&sk->sk_error_queue);
-#ifdef CONFIG_NET_DMA
- skb_queue_head_init(&sk->sk_async_wait_queue);
-#endif
sk->sk_send_head = NULL;
diff --git a/net/core/user_dma.c b/net/core/user_dma.c
deleted file mode 100644
index 1b5fefdb8198..000000000000
--- a/net/core/user_dma.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved.
- * Portions based on net/core/datagram.c and copyrighted by their authors.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-/*
- * This code allows the net stack to make use of a DMA engine for
- * skb to iovec copies.
- */
-
-#include <linux/dmaengine.h>
-#include <linux/socket.h>
-#include <linux/export.h>
-#include <net/tcp.h>
-#include <net/netdma.h>
-
-#define NET_DMA_DEFAULT_COPYBREAK 4096
-
-int sysctl_tcp_dma_copybreak = NET_DMA_DEFAULT_COPYBREAK;
-EXPORT_SYMBOL(sysctl_tcp_dma_copybreak);
-
-/**
- * dma_skb_copy_datagram_iovec - Copy a datagram to an iovec.
- * @skb - buffer to copy
- * @offset - offset in the buffer to start copying from
- * @iovec - io vector to copy to
- * @len - amount of data to copy from buffer to iovec
- * @pinned_list - locked iovec buffer data
- *
- * Note: the iovec is modified during the copy.
- */
-int dma_skb_copy_datagram_iovec(struct dma_chan *chan,
- struct sk_buff *skb, int offset, struct iovec *to,
- size_t len, struct dma_pinned_list *pinned_list)
-{
- int start = skb_headlen(skb);
- int i, copy = start - offset;
- struct sk_buff *frag_iter;
- dma_cookie_t cookie = 0;
-
- /* Copy header. */
- if (copy > 0) {
- if (copy > len)
- copy = len;
- cookie = dma_memcpy_to_iovec(chan, to, pinned_list,
- skb->data + offset, copy);
- if (cookie < 0)
- goto fault;
- len -= copy;
- if (len == 0)
- goto end;
- offset += copy;
- }
-
- /* Copy paged appendix. Hmm... why does this look so complicated? */
- for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
- int end;
- const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
-
- WARN_ON(start > offset + len);
-
- end = start + skb_frag_size(frag);
- copy = end - offset;
- if (copy > 0) {
- struct page *page = skb_frag_page(frag);
-
- if (copy > len)
- copy = len;
-
- cookie = dma_memcpy_pg_to_iovec(chan, to, pinned_list, page,
- frag->page_offset + offset - start, copy);
- if (cookie < 0)
- goto fault;
- len -= copy;
- if (len == 0)
- goto end;
- offset += copy;
- }
- start = end;
- }
-
- skb_walk_frags(skb, frag_iter) {
- int end;
-
- WARN_ON(start > offset + len);
-
- end = start + frag_iter->len;
- copy = end - offset;
- if (copy > 0) {
- if (copy > len)
- copy = len;
- cookie = dma_skb_copy_datagram_iovec(chan, frag_iter,
- offset - start,
- to, copy,
- pinned_list);
- if (cookie < 0)
- goto fault;
- len -= copy;
- if (len == 0)
- goto end;
- offset += copy;
- }
- start = end;
- }
-
-end:
- if (!len) {
- skb->dma_cookie = cookie;
- return cookie;
- }
-
-fault:
- return -EFAULT;
-}
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index eb892b4f4814..f9076f295b13 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -848,7 +848,7 @@ int dccp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
default:
dccp_pr_debug("packet_type=%s\n",
dccp_packet_name(dh->dccph_type));
- sk_eat_skb(sk, skb, false);
+ sk_eat_skb(sk, skb);
}
verify_sock_status:
if (sock_flag(sk, SOCK_DONE)) {
@@ -905,7 +905,7 @@ verify_sock_status:
len = skb->len;
found_fin_ok:
if (!(flags & MSG_PEEK))
- sk_eat_skb(sk, skb, false);
+ sk_eat_skb(sk, skb);
break;
} while (1);
out:
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 44eba052b43d..c3d2a48481f1 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -635,15 +635,6 @@ static struct ctl_table ipv4_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec
},
-#ifdef CONFIG_NET_DMA
- {
- .procname = "tcp_dma_copybreak",
- .data = &sysctl_tcp_dma_copybreak,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec
- },
-#endif
{
.procname = "tcp_slow_start_after_idle",
.data = &sysctl_tcp_slow_start_after_idle,
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 97c8f5620c43..28595a364f09 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -274,7 +274,6 @@
#include <net/tcp.h>
#include <net/xfrm.h>
#include <net/ip.h>
-#include <net/netdma.h>
#include <net/sock.h>
#include <asm/uaccess.h>
@@ -1454,39 +1453,6 @@ static void tcp_prequeue_process(struct sock *sk)
tp->ucopy.memory = 0;
}
-#ifdef CONFIG_NET_DMA
-static void tcp_service_net_dma(struct sock *sk, bool wait)
-{
- dma_cookie_t done, used;
- dma_cookie_t last_issued;
- struct tcp_sock *tp = tcp_sk(sk);
-
- if (!tp->ucopy.dma_chan)
- return;
-
- last_issued = tp->ucopy.dma_cookie;
- dma_async_issue_pending(tp->ucopy.dma_chan);
-
- do {
- if (dma_async_is_tx_complete(tp->ucopy.dma_chan,
- last_issued, &done,
- &used) == DMA_COMPLETE) {
- /* Safe to free early-copied skbs now */
- __skb_queue_purge(&sk->sk_async_wait_queue);
- break;
- } else {
- struct sk_buff *skb;
- while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
- (dma_async_is_complete(skb->dma_cookie, done,
- used) == DMA_COMPLETE)) {
- __skb_dequeue(&sk->sk_async_wait_queue);
- kfree_skb(skb);
- }
- }
- } while (wait);
-}
-#endif
-
static struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off)
{
struct sk_buff *skb;
@@ -1504,7 +1470,7 @@ static struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off)
* splitted a fat GRO packet, while we released socket lock
* in skb_splice_bits()
*/
- sk_eat_skb(sk, skb, false);
+ sk_eat_skb(sk, skb);
}
return NULL;
}
@@ -1570,11 +1536,11 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc,
continue;
}
if (tcp_hdr(skb)->fin) {
- sk_eat_skb(sk, skb, false);
+ sk_eat_skb(sk, skb);
++seq;
break;
}
- sk_eat_skb(sk, skb, false);
+ sk_eat_skb(sk, skb);
if (!desc->count)
break;
tp->copied_seq = seq;
@@ -1612,7 +1578,6 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
int target; /* Read at least this many bytes */
long timeo;
struct task_struct *user_recv = NULL;
- bool copied_early = false;
struct sk_buff *skb;
u32 urg_hole = 0;
@@ -1655,28 +1620,6 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
target = sock_rcvlowat(sk, flags & MSG_WAITALL, len);
-#ifdef CONFIG_NET_DMA
- tp->ucopy.dma_chan = NULL;
- preempt_disable();
- skb = skb_peek_tail(&sk->sk_receive_queue);
- {
- int available = 0;
-
- if (skb)
- available = TCP_SKB_CB(skb)->seq + skb->len - (*seq);
- if ((available < target) &&
- (len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) &&
- !sysctl_tcp_low_latency &&
- net_dma_find_channel()) {
- preempt_enable();
- tp->ucopy.pinned_list =
- dma_pin_iovec_pages(msg->msg_iov, len);
- } else {
- preempt_enable();
- }
- }
-#endif
-
do {
u32 offset;
@@ -1807,16 +1750,6 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
/* __ Set realtime policy in scheduler __ */
}
-#ifdef CONFIG_NET_DMA
- if (tp->ucopy.dma_chan) {
- if (tp->rcv_wnd == 0 &&
- !skb_queue_empty(&sk->sk_async_wait_queue)) {
- tcp_service_net_dma(sk, true);
- tcp_cleanup_rbuf(sk, copied);
- } else
- dma_async_issue_pending(tp->ucopy.dma_chan);
- }
-#endif
if (copied >= target) {
/* Do not sleep, just process backlog. */
release_sock(sk);
@@ -1824,11 +1757,6 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
} else
sk_wait_data(sk, &timeo);
-#ifdef CONFIG_NET_DMA
- tcp_service_net_dma(sk, false); /* Don't block */
- tp->ucopy.wakeup = 0;
-#endif
-
if (user_recv) {
int chunk;
@@ -1886,43 +1814,13 @@ do_prequeue:
}
if (!(flags & MSG_TRUNC)) {
-#ifdef CONFIG_NET_DMA
- if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
- tp->ucopy.dma_chan = net_dma_find_channel();
-
- if (tp->ucopy.dma_chan) {
- tp->ucopy.dma_cookie = dma_skb_copy_datagram_iovec(
- tp->ucopy.dma_chan, skb, offset,
- msg->msg_iov, used,
- tp->ucopy.pinned_list);
-
- if (tp->ucopy.dma_cookie < 0) {
-
- pr_alert("%s: dma_cookie < 0\n",
- __func__);
-
- /* Exception. Bailout! */
- if (!copied)
- copied = -EFAULT;
- break;
- }
-
- dma_async_issue_pending(tp->ucopy.dma_chan);
-
- if ((offset + used) == skb->len)
- copied_early = true;
-
- } else
-#endif
- {
- err = skb_copy_datagram_iovec(skb, offset,
- msg->msg_iov, used);
- if (err) {
- /* Exception. Bailout! */
- if (!copied)
- copied = -EFAULT;
- break;
- }
+ err = skb_copy_datagram_iovec(skb, offset,
+ msg->msg_iov, used);
+ if (err) {
+ /* Exception. Bailout! */
+ if (!copied)
+ copied = -EFAULT;
+ break;
}
}
@@ -1942,19 +1840,15 @@ skip_copy:
if (tcp_hdr(skb)->fin)
goto found_fin_ok;
- if (!(flags & MSG_PEEK)) {
- sk_eat_skb(sk, skb, copied_early);
- copied_early = false;
- }
+ if (!(flags & MSG_PEEK))
+ sk_eat_skb(sk, skb);
continue;
found_fin_ok:
/* Process the FIN. */
++*seq;
- if (!(flags & MSG_PEEK)) {
- sk_eat_skb(sk, skb, copied_early);
- copied_early = false;
- }
+ if (!(flags & MSG_PEEK))
+ sk_eat_skb(sk, skb);
break;
} while (len > 0);
@@ -1977,16 +1871,6 @@ skip_copy:
tp->ucopy.len = 0;
}
-#ifdef CONFIG_NET_DMA
- tcp_service_net_dma(sk, true); /* Wait for queue to drain */
- tp->ucopy.dma_chan = NULL;
-
- if (tp->ucopy.pinned_list) {
- dma_unpin_iovec_pages(tp->ucopy.pinned_list);
- tp->ucopy.pinned_list = NULL;
- }
-#endif
-
/* According to UNIX98, msg_name/msg_namelen are ignored
* on connected socket. I was just happy when found this 8) --ANK
*/
@@ -2330,9 +2214,6 @@ int tcp_disconnect(struct sock *sk, int flags)
__skb_queue_purge(&sk->sk_receive_queue);
tcp_write_queue_purge(sk);
__skb_queue_purge(&tp->out_of_order_queue);
-#ifdef CONFIG_NET_DMA
- __skb_queue_purge(&sk->sk_async_wait_queue);
-#endif
inet->inet_dport = 0;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index eeaac399420d..1342e9851f97 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -73,7 +73,6 @@
#include <net/inet_common.h>
#include <linux/ipsec.h>
#include <asm/unaligned.h>
-#include <net/netdma.h>
int sysctl_tcp_timestamps __read_mostly = 1;
int sysctl_tcp_window_scaling __read_mostly = 1;
@@ -4970,53 +4969,6 @@ static inline bool tcp_checksum_complete_user(struct sock *sk,
__tcp_checksum_complete_user(sk, skb);
}
-#ifdef CONFIG_NET_DMA
-static bool tcp_dma_try_early_copy(struct sock *sk, struct sk_buff *skb,
- int hlen)
-{
- struct tcp_sock *tp = tcp_sk(sk);
- int chunk = skb->len - hlen;
- int dma_cookie;
- bool copied_early = false;
-
- if (tp->ucopy.wakeup)
- return false;
-
- if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
- tp->ucopy.dma_chan = net_dma_find_channel();
-
- if (tp->ucopy.dma_chan && skb_csum_unnecessary(skb)) {
-
- dma_cookie = dma_skb_copy_datagram_iovec(tp->ucopy.dma_chan,
- skb, hlen,
- tp->ucopy.iov, chunk,
- tp->ucopy.pinned_list);
-
- if (dma_cookie < 0)
- goto out;
-
- tp->ucopy.dma_cookie = dma_cookie;
- copied_early = true;
-
- tp->ucopy.len -= chunk;
- tp->copied_seq += chunk;
- tcp_rcv_space_adjust(sk);
-
- if ((tp->ucopy.len == 0) ||
- (tcp_flag_word(tcp_hdr(skb)) & TCP_FLAG_PSH) ||
- (atomic_read(&sk->sk_rmem_alloc) > (sk->sk_rcvbuf >> 1))) {
- tp->ucopy.wakeup = 1;
- sk->sk_data_ready(sk, 0);
- }
- } else if (chunk > 0) {
- tp->ucopy.wakeup = 1;
- sk->sk_data_ready(sk, 0);
- }
-out:
- return copied_early;
-}
-#endif /* CONFIG_NET_DMA */
-
/* Does PAWS and seqno based validation of an incoming segment, flags will
* play significant role here.
*/
@@ -5201,14 +5153,6 @@ void tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
if (tp->copied_seq == tp->rcv_nxt &&
len - tcp_header_len <= tp->ucopy.len) {
-#ifdef CONFIG_NET_DMA
- if (tp->ucopy.task == current &&
- sock_owned_by_user(sk) &&
- tcp_dma_try_early_copy(sk, skb, tcp_header_len)) {
- copied_early = 1;
- eaten = 1;
- }
-#endif
if (tp->ucopy.task == current &&
sock_owned_by_user(sk) && !copied_early) {
__set_current_state(TASK_RUNNING);
@@ -5274,11 +5218,6 @@ void tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
if (!copied_early || tp->rcv_nxt != tp->rcv_wup)
__tcp_ack_snd_check(sk, 0);
no_ack:
-#ifdef CONFIG_NET_DMA
- if (copied_early)
- __skb_queue_tail(&sk->sk_async_wait_queue, skb);
- else
-#endif
if (eaten)
kfree_skb_partial(skb, fragstolen);
sk->sk_data_ready(sk, 0);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 3cf976510497..737c2e270ee3 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -72,7 +72,6 @@
#include <net/inet_common.h>
#include <net/timewait_sock.h>
#include <net/xfrm.h>
-#include <net/netdma.h>
#include <net/secure_seq.h>
#include <net/tcp_memcontrol.h>
#include <net/busy_poll.h>
@@ -1999,18 +1998,8 @@ process:
bh_lock_sock_nested(sk);
ret = 0;
if (!sock_owned_by_user(sk)) {
-#ifdef CONFIG_NET_DMA
- struct tcp_sock *tp = tcp_sk(sk);
- if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
- tp->ucopy.dma_chan = net_dma_find_channel();
- if (tp->ucopy.dma_chan)
+ if (!tcp_prequeue(sk, skb))
ret = tcp_v4_do_rcv(sk, skb);
- else
-#endif
- {
- if (!tcp_prequeue(sk, skb))
- ret = tcp_v4_do_rcv(sk, skb);
- }
} else if (unlikely(sk_add_backlog(sk, skb,
sk->sk_rcvbuf + sk->sk_sndbuf))) {
bh_unlock_sock(sk);
@@ -2169,11 +2158,6 @@ void tcp_v4_destroy_sock(struct sock *sk)
}
#endif
-#ifdef CONFIG_NET_DMA
- /* Cleans up our sk_async_wait_queue */
- __skb_queue_purge(&sk->sk_async_wait_queue);
-#endif
-
/* Clean prequeue, it must be empty really */
__skb_queue_purge(&tp->ucopy.prequeue);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 889079b2ea85..cb21fccf2089 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -59,7 +59,6 @@
#include <net/snmp.h>
#include <net/dsfield.h>
#include <net/timewait_sock.h>
-#include <net/netdma.h>
#include <net/inet_common.h>
#include <net/secure_seq.h>
#include <net/tcp_memcontrol.h>
@@ -1520,18 +1519,8 @@ process:
bh_lock_sock_nested(sk);
ret = 0;
if (!sock_owned_by_user(sk)) {
-#ifdef CONFIG_NET_DMA
- struct tcp_sock *tp = tcp_sk(sk);
- if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
- tp->ucopy.dma_chan = net_dma_find_channel();
- if (tp->ucopy.dma_chan)
+ if (!tcp_prequeue(sk, skb))
ret = tcp_v6_do_rcv(sk, skb);
- else
-#endif
- {
- if (!tcp_prequeue(sk, skb))
- ret = tcp_v6_do_rcv(sk, skb);
- }
} else if (unlikely(sk_add_backlog(sk, skb,
sk->sk_rcvbuf + sk->sk_sndbuf))) {
bh_unlock_sock(sk);
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 0080d2b0a8ae..bb9cbc17d926 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -839,7 +839,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock,
if (!(flags & MSG_PEEK)) {
spin_lock_irqsave(&sk->sk_receive_queue.lock, cpu_flags);
- sk_eat_skb(sk, skb, false);
+ sk_eat_skb(sk, skb);
spin_unlock_irqrestore(&sk->sk_receive_queue.lock, cpu_flags);
*seq = 0;
}
@@ -861,10 +861,10 @@ copy_uaddr:
llc_cmsg_rcv(msg, skb);
if (!(flags & MSG_PEEK)) {
- spin_lock_irqsave(&sk->sk_receive_queue.lock, cpu_flags);
- sk_eat_skb(sk, skb, false);
- spin_unlock_irqrestore(&sk->sk_receive_queue.lock, cpu_flags);
- *seq = 0;
+ spin_lock_irqsave(&sk->sk_receive_queue.lock, cpu_flags);
+ sk_eat_skb(sk, skb);
+ spin_unlock_irqrestore(&sk->sk_receive_queue.lock, cpu_flags);
+ *seq = 0;
}
goto out;

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