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authorMark Brown <broonie@kernel.org>2021-01-13 17:56:59 +0000
committerMark Brown <broonie@kernel.org>2021-01-13 17:56:59 +0000
commit2d446c98cde3ffccfd14849b7dda4194ab62dd20 (patch)
tree9b7f048dcddec04d94527132834fc056745fdb6d /net/mptcp/protocol.c
parent44a4cfad8d78efcda9ec0dd97ceea38d8b602f24 (diff)
parent7c53f6b671f4aba70ff15e1b05148b10d58c2837 (diff)
Merge v5.11-rc3
Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 09b19aa2f205..6628d8d74203 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -877,6 +877,9 @@ static void __mptcp_wmem_reserve(struct sock *sk, int size)
struct mptcp_sock *msk = mptcp_sk(sk);
WARN_ON_ONCE(msk->wmem_reserved);
+ if (WARN_ON_ONCE(amount < 0))
+ amount = 0;
+
if (amount <= sk->sk_forward_alloc)
goto reserve;
@@ -1587,7 +1590,7 @@ static int mptcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL))
return -EOPNOTSUPP;
- mptcp_lock_sock(sk, __mptcp_wmem_reserve(sk, len));
+ mptcp_lock_sock(sk, __mptcp_wmem_reserve(sk, min_t(size_t, 1 << 20, len)));
timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);