Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 651e9271 authored by Michal Tesar's avatar Michal Tesar Committed by David S. Miller
Browse files

sysctl net: Keep tcp_syn_retries inside the boundary 



Limit the min/max value passed to the
/proc/sys/net/ipv4/tcp_syn_retries.

Signed-off-by: default avatarMichal Tesar <mtesar@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 087d273c

net/ipv4/sysctl_net_ipv4.c

+5 −1
Original line number Diff line number Diff line
@@ -36,6 +36,8 @@ static int tcp_adv_win_scale_min = -31; 
static int tcp_adv_win_scale_max = 31;

static int ip_ttl_min = 1;

static int ip_ttl_max = 255;

static int tcp_syn_retries_min = 1;

static int tcp_syn_retries_max = MAX_TCP_SYNCNT;

static int ip_ping_group_range_min[] = { 0, 0 };

static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX };
@@ -332,7 +334,9 @@ static struct ctl_table ipv4_table[] = { 
		.data		= &sysctl_tcp_syn_retries,

		.maxlen		= sizeof(int),

		.mode		= 0644,

		.proc_handler	= proc_dointvec

		.proc_handler	= proc_dointvec_minmax,

		.extra1		= &tcp_syn_retries_min,

		.extra2		= &tcp_syn_retries_max

	},

	{

		.procname	= "tcp_synack_retries",