Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR (net-6.13-rc8).

Conflicts:

drivers/net/ethernet/realtek/r8169_main.c
  1f691a1fc4be ("r8169: remove redundant hwmon support")
  152d00a91396 ("r8169: simplify setting hwmon attribute visibility")
https://lore.kernel.org/[email protected]

Adjacent changes:

drivers/net/ethernet/broadcom/bnxt/bnxt.c
  152f4da05aee ("bnxt_en: add support for rx-copybreak ethtool command")
  f0aa6a37a3db ("eth: bnxt: always recalculate features after XDP clearing, fix null-deref")

drivers/net/ethernet/intel/ice/ice_type.h
  50327223a8bb ("ice: add lock to protect low latency interface")
  dc26548d729e ("ice: Fix quad registers read on E825")

Signed-off-by: Jakub Kicinski <[email protected]>

1 files changed, 7 insertions, 2 deletions

diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index cd5132fe7d22..0174a5aad279 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -760,10 +760,15 @@ static inline u64 mptcp_data_avail(const struct mptcp_sock *msk)
 
 static inline bool mptcp_epollin_ready(const struct sock *sk)
 {
+	u64 data_avail = mptcp_data_avail(mptcp_sk(sk));
+
+	if (!data_avail)
+		return false;
+
 	/* mptcp doesn't have to deal with small skbs in the receive queue,
-	 * at it can always coalesce them
+	 * as it can always coalesce them
 	 */
-	return (mptcp_data_avail(mptcp_sk(sk)) >= sk->sk_rcvlowat) ||
+	return (data_avail >= sk->sk_rcvlowat) ||
 	       (mem_cgroup_sockets_enabled && sk->sk_memcg &&
 		mem_cgroup_under_socket_pressure(sk->sk_memcg)) ||
 	       READ_ONCE(tcp_memory_pressure);