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sctp: fix the proc_handler for sysctl encap_port

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proc_dointvec() cannot do min and max check for setting a value
when extra1/extra2 is set, so change it to proc_dointvec_minmax()
for sysctl encap_port.

Fixes: e8a3001c2120 ("sctp: add encap_port for netns sock asoc and transport")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2021-05-24 22:49:42 -04:00 committed by David S. Miller
parent 297739bd73
commit b2540cdce6
1 changed files with 1 additions and 1 deletions
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net/sctp/sysctl.c
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@ -307,7 +307,7 @@ static struct ctl_table sctp_net_table[] = {
.data = &init_net.sctp.encap_port,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
.extra2 = &udp_port_max,
},