sctp: fix the missing put_user when dumping transport thresholds

This issue causes SCTP_PEER_ADDR_THLDS sockopt not to be able to dump
a transport thresholds info.

Fix it by adding 'goto' put_user in sctp_getsockopt_paddr_thresholds.

Fixes: 8add543e36 ("sctp: add SCTP_FUTURE_ASSOC for SCTP_PEER_ADDR_THLDS sockopt")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2019-09-09 15:33:29 +08:00 committed by David S. Miller
parent d4d6ec6dac
commit f794dc2304

View File

@ -7173,7 +7173,7 @@ static int sctp_getsockopt_paddr_thresholds(struct sock *sk,
val.spt_pathmaxrxt = trans->pathmaxrxt;
val.spt_pathpfthld = trans->pf_retrans;
return 0;
goto out;
}
asoc = sctp_id2assoc(sk, val.spt_assoc_id);
@ -7191,6 +7191,7 @@ static int sctp_getsockopt_paddr_thresholds(struct sock *sk,
val.spt_pathmaxrxt = sp->pathmaxrxt;
}
out:
if (put_user(len, optlen) || copy_to_user(optval, &val, len))
return -EFAULT;