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authorGeliang Tang <[email protected]>2025-02-21 15:43:57 +0000
committerJakub Kicinski <[email protected]>2025-02-25 02:23:43 +0000
commitf8fe8174657329609a80f66da1d3dd80a80de76b (patch)
tree7a5847bcbece79d29a4d6daa157bb95e95cc7989 /net/mptcp/pm_userspace.c
parentmptcp: pm: add a build check for userspace_pm_dump_addr (diff)
downloadkernel-f8fe8174657329609a80f66da1d3dd80a80de76b.tar.gz
kernel-f8fe8174657329609a80f66da1d3dd80a80de76b.zip
mptcp: pm: add mptcp_pm_genl_fill_addr helper
To save some redundant code in dump_addr() interfaces of both the netlink PM and userspace PM, the code that calls netlink message helpers (genlmsg_put/cancel/end) and mptcp_nl_fill_addr() is wrapped into a new helper mptcp_pm_genl_fill_addr(). Signed-off-by: Geliang Tang <[email protected]> Reviewed-by: Matthieu Baerts (NGI0) <[email protected]> Signed-off-by: Matthieu Baerts (NGI0) <[email protected]> Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-4-2b70ab1cee79@kernel.org Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'net/mptcp/pm_userspace.c')
-rw-r--r--net/mptcp/pm_userspace.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c
index b69fb5b18130..bedd6f9ebc8b 100644
--- a/net/mptcp/pm_userspace.c
+++ b/net/mptcp/pm_userspace.c
@@ -641,7 +641,6 @@ int mptcp_userspace_pm_dump_addr(struct sk_buff *msg,
struct mptcp_sock *msk;
int ret = -EINVAL;
struct sock *sk;
- void *hdr;
BUILD_BUG_ON(sizeof(struct id_bitmap) > sizeof(cb->ctx));
@@ -659,19 +658,10 @@ int mptcp_userspace_pm_dump_addr(struct sk_buff *msg,
if (test_bit(entry->addr.id, bitmap->map))
continue;
- hdr = genlmsg_put(msg, NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq, &mptcp_genl_family,
- NLM_F_MULTI, MPTCP_PM_CMD_GET_ADDR);
- if (!hdr)
+ if (mptcp_pm_genl_fill_addr(msg, cb, entry) < 0)
break;
- if (mptcp_nl_fill_addr(msg, entry) < 0) {
- genlmsg_cancel(msg, hdr);
- break;
- }
-
__set_bit(entry->addr.id, bitmap->map);
- genlmsg_end(msg, hdr);
}
spin_unlock_bh(&msk->pm.lock);
release_sock(sk);