Update Linux to v5.10.157
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.157.tar.xz
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: I7b30d9e98d8c465d6b44de8e7433b4a40b3289ba
diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c
index 6b745ce..809ee0f 100644
--- a/net/ipv4/tcp_bpf.c
+++ b/net/ipv4/tcp_bpf.c
@@ -218,10 +218,9 @@
struct sk_psock *psock = sk_psock_get(sk);
int ret;
- if (unlikely(!psock)) {
- sk_msg_free(sk, msg);
- return 0;
- }
+ if (unlikely(!psock))
+ return -EPIPE;
+
ret = ingress ? bpf_tcp_ingress(sk, psock, msg, bytes, flags) :
tcp_bpf_push_locked(sk, msg, bytes, flags, false);
sk_psock_put(sk, psock);
@@ -316,7 +315,7 @@
{
bool cork = false, enospc = sk_msg_full(msg);
struct sock *sk_redir;
- u32 tosend, delta = 0;
+ u32 tosend, origsize, sent, delta = 0;
u32 eval = __SK_NONE;
int ret;
@@ -374,7 +373,9 @@
sk_msg_return(sk, msg, tosend);
release_sock(sk);
+ origsize = msg->sg.size;
ret = tcp_bpf_sendmsg_redir(sk_redir, msg, tosend, flags);
+ sent = origsize - msg->sg.size;
if (eval == __SK_REDIRECT)
sock_put(sk_redir);
@@ -411,8 +412,11 @@
}
if (msg &&
msg->sg.data[msg->sg.start].page_link &&
- msg->sg.data[msg->sg.start].length)
+ msg->sg.data[msg->sg.start].length) {
+ if (eval == __SK_REDIRECT)
+ sk_mem_charge(sk, tosend - sent);
goto more_data;
+ }
}
return ret;
}