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authorJakub Kicinski <kuba@kernel.org>2025-01-16 10:30:22 -0800
committerJakub Kicinski <kuba@kernel.org>2025-01-16 10:34:59 -0800
commit2ee738e90e80850582cbe10f34c6447965c1d87b (patch)
tree75a5d764d283bfac0648710f1e8c51680ef992fa /net/mptcp/protocol.h
parentb44e27b4df1a1cd3fd84cf26c82156ed0301575f (diff)
parentce69b4019001407f9cd738dd2ba217b3a8ab831b (diff)
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/20250115122152.760b4e8d@canb.auug.org.au 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 <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/protocol.h')
-rw-r--r--net/mptcp/protocol.h9
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);