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Commit 00dc3307 authored by Eiichi Tsukata's avatar Eiichi Tsukata Committed by David S. Miller
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net/ipv6: Fix misuse of proc_dointvec "flowlabel_reflect" 



/proc/sys/net/ipv6/flowlabel_reflect assumes written value to be in the
range of 0 to 3. Use proc_dointvec_minmax instead of proc_dointvec.

Fixes: 323a53c4 ("ipv6: tcp: enable flowlabel reflection in some RST packets")
Signed-off-by: default avatarEiichi Tsukata <devel@etsukata.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 27ba4059

net/ipv6/sysctl_net_ipv6.c

+1 −1
Original line number Diff line number Diff line
@@ -114,7 +114,7 @@ static struct ctl_table ipv6_table_template[] = { 
		.data		= &init_net.ipv6.sysctl.flowlabel_reflect,

		.maxlen		= sizeof(int),

		.mode		= 0644,

		.proc_handler	= proc_dointvec,

		.proc_handler	= proc_dointvec_minmax,

		.extra1		= &zero,

		.extra2		= &flowlabel_reflect_max,

	},