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mptcp: remove all subflows involving id 0 address

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There's only one subflow involving the non-zero id address, but there
may be multi subflows involving the id 0 address.

Here's an example:

 local_id=0, remote_id=0
 local_id=1, remote_id=0
 local_id=0, remote_id=1

If the removing address id is 0, all the subflows involving the id 0
address need to be removed.

In mptcp_pm_nl_rm_addr_received/mptcp_pm_nl_rm_subflow_received, the
"break" prevents the iteration to the next subflow, so this patch
dropped them.

Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geliang Tang
2021-03-30 17:08:51 -07:00
committed by David S. Miller
parent b8128656a5
commit 774c8a8dcb
1 changed files with 0 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
net/mptcp/pm_netlink.c
View File

@@ -621,8 +621,6 @@ static void mptcp_pm_nl_rm_addr_received(struct mptcp_sock *msk)
WRITE_ONCE(msk->pm.accept_addr, true);
__MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMADDR);
break;
}
}
}
@@ -695,8 +693,6 @@ void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk,
msk->pm.subflows--;
__MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMSUBFLOW);
break;
}
}
}