net/mptcp/subflow.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
Thre returned structure is read-only.
Signed-off-by: Florian Westphal <fw@strlen.de>
---
Could be squashed with 'mptcp: mark ops structures as ro_after_init'.
net/mptcp/subflow.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 5bd49a350750..e727d838da0e 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -787,7 +787,7 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
return child;
}
-static struct inet_connection_sock_af_ops subflow_specific;
+static struct inet_connection_sock_af_ops subflow_specific __ro_after_init;
static struct proto tcp_prot_override;
enum mapping_status {
@@ -1313,7 +1313,7 @@ static void subflow_write_space(struct sock *ssk)
mptcp_write_space(sk);
}
-static struct inet_connection_sock_af_ops *
+static const struct inet_connection_sock_af_ops *
subflow_default_af_ops(struct sock *sk)
{
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
@@ -1328,7 +1328,7 @@ void mptcpv6_handle_mapped(struct sock *sk, bool mapped)
{
struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
struct inet_connection_sock *icsk = inet_csk(sk);
- struct inet_connection_sock_af_ops *target;
+ const struct inet_connection_sock_af_ops *target;
target = mapped ? &subflow_v6m_specific : subflow_default_af_ops(sk);
--
2.34.1
On Thu, 10 Feb 2022, Florian Westphal wrote: > Thre returned structure is read-only. > > Signed-off-by: Florian Westphal <fw@strlen.de> > --- > Could be squashed with 'mptcp: mark ops structures as ro_after_init'. > Yeah, I agree that it would be good to squash with the other ro_after_init changes. Patch looks fine. -Mat > net/mptcp/subflow.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c > index 5bd49a350750..e727d838da0e 100644 > --- a/net/mptcp/subflow.c > +++ b/net/mptcp/subflow.c > @@ -787,7 +787,7 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk, > return child; > } > > -static struct inet_connection_sock_af_ops subflow_specific; > +static struct inet_connection_sock_af_ops subflow_specific __ro_after_init; > static struct proto tcp_prot_override; > > enum mapping_status { > @@ -1313,7 +1313,7 @@ static void subflow_write_space(struct sock *ssk) > mptcp_write_space(sk); > } > > -static struct inet_connection_sock_af_ops * > +static const struct inet_connection_sock_af_ops * > subflow_default_af_ops(struct sock *sk) > { > #if IS_ENABLED(CONFIG_MPTCP_IPV6) > @@ -1328,7 +1328,7 @@ void mptcpv6_handle_mapped(struct sock *sk, bool mapped) > { > struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); > struct inet_connection_sock *icsk = inet_csk(sk); > - struct inet_connection_sock_af_ops *target; > + const struct inet_connection_sock_af_ops *target; > > target = mapped ? &subflow_v6m_specific : subflow_default_af_ops(sk); > > -- > 2.34.1 > > > -- Mat Martineau Intel
Hi Florian, Mat, On 10/02/2022 15:55, Florian Westphal wrote: > Thre returned structure is read-only. Thank you for this patch and the review! Now in our tree (squashed): - a2b3e7491b59: "squashed" in "mptcp: mark ops structures as ro_after_init" - Results: 7f0a980be1a6..178780fe8241 Builds and tests are now in progress: https://cirrus-ci.com/github/multipath-tcp/mptcp_net-next/export/20220211T110237 https://github.com/multipath-tcp/mptcp_net-next/actions/workflows/build-validation.yml?query=branch:export Cheers, Matt -- Tessares | Belgium | Hybrid Access Solutions www.tessares.net
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