diff options
| author | Mark Brown <broonie@kernel.org> | 2020-12-10 13:30:11 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-12-10 13:30:11 +0000 |
| commit | 49ab19a4a51a31cb06992386cec4be82ebca5a2d (patch) | |
| tree | de7d31ec7ded2c8ab8dbdfe5a55fa283068023d0 /net/mptcp/protocol.c | |
| parent | b0dfd948379c79b8754e224e29b99d30ce0d79b8 (diff) | |
| parent | 3b25f337929e73232f0aa990cd68a129f53652e2 (diff) | |
Merge series "spi: spi-geni-qcom: Use gpio descriptors for CS" from Stephen Boyd <swboyd@chromium.org>:
Collected patches from the two series below and associated tags so they
can be merged in one pile through the spi tree. Merry December!
SPI: https://lore.kernel.org/r/20201202214935.1114381-1-swboyd@chromium.org
cros-ec: https://lore.kernel.org/r/20201203011649.1405292-1-swboyd@chromium.org
Cc: Akash Asthana <akashast@codeaurora.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Alexandru M Stan <amstan@chromium.org>
Stephen Boyd (3):
platform/chrome: cros_ec_spi: Don't overwrite spi::mode
platform/chrome: cros_ec_spi: Drop bits_per_word assignment
spi: spi-geni-qcom: Use the new method of gpio CS control
drivers/platform/chrome/cros_ec_spi.c | 2 --
drivers/spi/spi-geni-qcom.c | 1 +
2 files changed, 1 insertion(+), 2 deletions(-)
base-commit: b65054597872ce3aefbc6a666385eabdf9e288da
--
https://chromeos.dev
Diffstat (limited to 'net/mptcp/protocol.c')
| -rw-r--r-- | net/mptcp/protocol.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 185dacb39781..88f2a7a0ccb8 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -274,6 +274,15 @@ static bool __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk, skb_ext_reset(skb); skb_orphan(skb); + /* try to fetch required memory from subflow */ + if (!sk_rmem_schedule(sk, skb, skb->truesize)) { + if (ssk->sk_forward_alloc < skb->truesize) + goto drop; + __sk_mem_reclaim(ssk, skb->truesize); + if (!sk_rmem_schedule(sk, skb, skb->truesize)) + goto drop; + } + /* the skb map_seq accounts for the skb offset: * mptcp_subflow_get_mapped_dsn() is based on the current tp->copied_seq * value @@ -301,6 +310,7 @@ static bool __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk, * will retransmit as needed, if needed. */ MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_DUPDATA); +drop: mptcp_drop(sk, skb); return false; } @@ -2457,6 +2467,7 @@ static struct proto mptcp_prot = { .memory_pressure = &tcp_memory_pressure, .stream_memory_free = mptcp_memory_free, .sysctl_wmem_offset = offsetof(struct net, ipv4.sysctl_tcp_wmem), + .sysctl_rmem_offset = offsetof(struct net, ipv4.sysctl_tcp_rmem), .sysctl_mem = sysctl_tcp_mem, .obj_size = sizeof(struct mptcp_sock), .slab_flags = SLAB_TYPESAFE_BY_RCU, |